10151620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 22217328

約数和(自身を除く): 12065708

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 157, 212, 244, 265, 305, 314, 530, 610, 628, 785, 1060, 1220, 1570, 3140, 3233, 6466, 8321, 9577, 12932, 16165, 16642, 19154, 32330, 33284, 38308, 41605, 47885, 64660, 83210, 95770, 166420, 191540, 507581, 1015162, 2030324, 2537905, 5075810, 10151620]

約数ペア:

[(1, 10151620), (2, 5075810), (4, 2537905), (5, 2030324), (10, 1015162), (20, 507581), (53, 191540), (61, 166420), (106, 95770), (122, 83210), (157, 64660), (212, 47885), (244, 41605), (265, 38308), (305, 33284), (314, 32330), (530, 19154), (610, 16642), (628, 16165), (785, 12932), (1060, 9577), (1220, 8321), (1570, 6466), (3140, 3233)]