26400220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 73543680

約数和(自身を除く): 47143460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 79, 98, 110, 124, 140, 154, 155, 158, 196, 217, 220, 245, 308, 310, 316, 341, 385, 395, 434, 490, 539, 553, 620, 682, 770, 790, 868, 869, 980, 1078, 1085, 1106, 1364, 1519, 1540, 1580, 1705, 1738, 2156, 2170, 2212, 2387, 2449, 2695, 2765, 3038, 3410, 3476, 3871, 4340, 4345, 4774, 4898, 5390, 5530, 6076, 6083, 6820, 7595, 7742, 8690, 9548, 9796, 10780, 11060, 11935, 12166, 12245, 15190, 15484, 16709, 17143, 17380, 19355, 23870, 24332, 24490, 26939, 30380, 30415, 33418, 34286, 38710, 42581, 47740, 48980, 53878, 60830, 66836, 68572, 77420, 83545, 85162, 85715, 107756, 120001, 121660, 134695, 167090, 170324, 171430, 188573, 212905, 240002, 269390, 334180, 342860, 377146, 425810, 480004, 538780, 600005, 754292, 851620, 942865, 1200010, 1320011, 1885730, 2400020, 2640022, 3771460, 5280044, 6600055, 13200110, 26400220]

約数ペア:

[(1, 26400220), (2, 13200110), (4, 6600055), (5, 5280044), (7, 3771460), (10, 2640022), (11, 2400020), (14, 1885730), (20, 1320011), (22, 1200010), (28, 942865), (31, 851620), (35, 754292), (44, 600005), (49, 538780), (55, 480004), (62, 425810), (70, 377146), (77, 342860), (79, 334180), (98, 269390), (110, 240002), (124, 212905), (140, 188573), (154, 171430), (155, 170324), (158, 167090), (196, 134695), (217, 121660), (220, 120001), (245, 107756), (308, 85715), (310, 85162), (316, 83545), (341, 77420), (385, 68572), (395, 66836), (434, 60830), (490, 53878), (539, 48980), (553, 47740), (620, 42581), (682, 38710), (770, 34286), (790, 33418), (868, 30415), (869, 30380), (980, 26939), (1078, 24490), (1085, 24332), (1106, 23870), (1364, 19355), (1519, 17380), (1540, 17143), (1580, 16709), (1705, 15484), (1738, 15190), (2156, 12245), (2170, 12166), (2212, 11935), (2387, 11060), (2449, 10780), (2695, 9796), (2765, 9548), (3038, 8690), (3410, 7742), (3476, 7595), (3871, 6820), (4340, 6083), (4345, 6076), (4774, 5530), (4898, 5390)]