8108980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 20321280

約数和(自身を除く): 12212300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 41, 44, 55, 58, 62, 82, 110, 116, 124, 145, 155, 164, 205, 220, 290, 310, 319, 341, 410, 451, 580, 620, 638, 682, 820, 899, 902, 1189, 1271, 1276, 1364, 1595, 1705, 1798, 1804, 2255, 2378, 2542, 3190, 3410, 3596, 4495, 4510, 4756, 5084, 5945, 6355, 6380, 6820, 8990, 9020, 9889, 11890, 12710, 13079, 13981, 17980, 19778, 23780, 25420, 26158, 27962, 36859, 39556, 49445, 52316, 55924, 65395, 69905, 73718, 98890, 130790, 139810, 147436, 184295, 197780, 261580, 279620, 368590, 405449, 737180, 810898, 1621796, 2027245, 4054490, 8108980]

約数ペア:

[(1, 8108980), (2, 4054490), (4, 2027245), (5, 1621796), (10, 810898), (11, 737180), (20, 405449), (22, 368590), (29, 279620), (31, 261580), (41, 197780), (44, 184295), (55, 147436), (58, 139810), (62, 130790), (82, 98890), (110, 73718), (116, 69905), (124, 65395), (145, 55924), (155, 52316), (164, 49445), (205, 39556), (220, 36859), (290, 27962), (310, 26158), (319, 25420), (341, 23780), (410, 19778), (451, 17980), (580, 13981), (620, 13079), (638, 12710), (682, 11890), (820, 9889), (899, 9020), (902, 8990), (1189, 6820), (1271, 6380), (1276, 6355), (1364, 5945), (1595, 5084), (1705, 4756), (1798, 4510), (1804, 4495), (2255, 3596), (2378, 3410), (2542, 3190)]