25731860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 71500800

約数和(自身を除く): 45768940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 121, 124, 140, 154, 155, 196, 217, 220, 242, 245, 308, 310, 341, 343, 385, 434, 484, 490, 539, 605, 620, 682, 686, 770, 847, 868, 980, 1078, 1085, 1210, 1364, 1372, 1519, 1540, 1694, 1705, 1715, 2156, 2170, 2387, 2420, 2695, 3038, 3388, 3410, 3430, 3751, 3773, 4235, 4340, 4774, 5390, 5929, 6076, 6820, 6860, 7502, 7546, 7595, 8470, 9548, 10633, 10780, 11858, 11935, 15004, 15092, 15190, 16709, 16940, 18755, 18865, 21266, 23716, 23870, 26257, 29645, 30380, 33418, 37510, 37730, 41503, 42532, 47740, 52514, 53165, 59290, 66836, 75020, 75460, 83006, 83545, 105028, 106330, 116963, 118580, 131285, 166012, 167090, 183799, 207515, 212660, 233926, 262570, 334180, 367598, 415030, 467852, 525140, 584815, 735196, 830060, 918995, 1169630, 1286593, 1837990, 2339260, 2573186, 3675980, 5146372, 6432965, 12865930, 25731860]

約数ペア:

[(1, 25731860), (2, 12865930), (4, 6432965), (5, 5146372), (7, 3675980), (10, 2573186), (11, 2339260), (14, 1837990), (20, 1286593), (22, 1169630), (28, 918995), (31, 830060), (35, 735196), (44, 584815), (49, 525140), (55, 467852), (62, 415030), (70, 367598), (77, 334180), (98, 262570), (110, 233926), (121, 212660), (124, 207515), (140, 183799), (154, 167090), (155, 166012), (196, 131285), (217, 118580), (220, 116963), (242, 106330), (245, 105028), (308, 83545), (310, 83006), (341, 75460), (343, 75020), (385, 66836), (434, 59290), (484, 53165), (490, 52514), (539, 47740), (605, 42532), (620, 41503), (682, 37730), (686, 37510), (770, 33418), (847, 30380), (868, 29645), (980, 26257), (1078, 23870), (1085, 23716), (1210, 21266), (1364, 18865), (1372, 18755), (1519, 16940), (1540, 16709), (1694, 15190), (1705, 15092), (1715, 15004), (2156, 11935), (2170, 11858), (2387, 10780), (2420, 10633), (2695, 9548), (3038, 8470), (3388, 7595), (3410, 7546), (3430, 7502), (3751, 6860), (3773, 6820), (4235, 6076), (4340, 5929), (4774, 5390)]