13502920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 32472000

約数和(自身を除く): 18969080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 163, 190, 218, 326, 380, 436, 545, 652, 760, 815, 872, 1090, 1304, 1630, 2071, 2180, 3097, 3260, 4142, 4360, 6194, 6520, 8284, 10355, 12388, 15485, 16568, 17767, 20710, 24776, 30970, 35534, 41420, 61940, 71068, 82840, 88835, 123880, 142136, 177670, 337573, 355340, 675146, 710680, 1350292, 1687865, 2700584, 3375730, 6751460, 13502920]

約数ペア:

[(1, 13502920), (2, 6751460), (4, 3375730), (5, 2700584), (8, 1687865), (10, 1350292), (19, 710680), (20, 675146), (38, 355340), (40, 337573), (76, 177670), (95, 142136), (109, 123880), (152, 88835), (163, 82840), (190, 71068), (218, 61940), (326, 41420), (380, 35534), (436, 30970), (545, 24776), (652, 20710), (760, 17767), (815, 16568), (872, 15485), (1090, 12388), (1304, 10355), (1630, 8284), (2071, 6520), (2180, 6194), (3097, 4360), (3260, 4142)]