4800040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 13132800

約数和(自身を除く): 8332760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 79, 98, 124, 140, 155, 158, 196, 217, 245, 248, 280, 310, 316, 392, 395, 434, 490, 553, 620, 632, 790, 868, 980, 1085, 1106, 1240, 1519, 1580, 1736, 1960, 2170, 2212, 2449, 2765, 3038, 3160, 3871, 4340, 4424, 4898, 5530, 6076, 7595, 7742, 8680, 9796, 11060, 12152, 12245, 15190, 15484, 17143, 19355, 19592, 22120, 24490, 30380, 30968, 34286, 38710, 48980, 60760, 68572, 77420, 85715, 97960, 120001, 137144, 154840, 171430, 240002, 342860, 480004, 600005, 685720, 960008, 1200010, 2400020, 4800040]

約数ペア:

[(1, 4800040), (2, 2400020), (4, 1200010), (5, 960008), (7, 685720), (8, 600005), (10, 480004), (14, 342860), (20, 240002), (28, 171430), (31, 154840), (35, 137144), (40, 120001), (49, 97960), (56, 85715), (62, 77420), (70, 68572), (79, 60760), (98, 48980), (124, 38710), (140, 34286), (155, 30968), (158, 30380), (196, 24490), (217, 22120), (245, 19592), (248, 19355), (280, 17143), (310, 15484), (316, 15190), (392, 12245), (395, 12152), (434, 11060), (490, 9796), (553, 8680), (620, 7742), (632, 7595), (790, 6076), (868, 5530), (980, 4898), (1085, 4424), (1106, 4340), (1240, 3871), (1519, 3160), (1580, 3038), (1736, 2765), (1960, 2449), (2170, 2212)]