13149520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 33122880

約数和(自身を除く): 19973360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 211, 304, 328, 380, 410, 422, 656, 760, 779, 820, 844, 1055, 1520, 1558, 1640, 1688, 2110, 3116, 3280, 3376, 3895, 4009, 4220, 6232, 7790, 8018, 8440, 8651, 12464, 15580, 16036, 16880, 17302, 20045, 31160, 32072, 34604, 40090, 43255, 62320, 64144, 69208, 80180, 86510, 138416, 160360, 164369, 173020, 320720, 328738, 346040, 657476, 692080, 821845, 1314952, 1643690, 2629904, 3287380, 6574760, 13149520]

約数ペア:

[(1, 13149520), (2, 6574760), (4, 3287380), (5, 2629904), (8, 1643690), (10, 1314952), (16, 821845), (19, 692080), (20, 657476), (38, 346040), (40, 328738), (41, 320720), (76, 173020), (80, 164369), (82, 160360), (95, 138416), (152, 86510), (164, 80180), (190, 69208), (205, 64144), (211, 62320), (304, 43255), (328, 40090), (380, 34604), (410, 32072), (422, 31160), (656, 20045), (760, 17302), (779, 16880), (820, 16036), (844, 15580), (1055, 12464), (1520, 8651), (1558, 8440), (1640, 8018), (1688, 7790), (2110, 6232), (3116, 4220), (3280, 4009), (3376, 3895)]