65569480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 152040240

約数和(自身を除く): 86470760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 157, 197, 212, 265, 314, 394, 424, 530, 628, 785, 788, 985, 1060, 1256, 1570, 1576, 1970, 2120, 3140, 3940, 6280, 7880, 8321, 10441, 16642, 20882, 30929, 33284, 41605, 41764, 52205, 61858, 66568, 83210, 83528, 104410, 123716, 154645, 166420, 208820, 247432, 309290, 332840, 417640, 618580, 1237160, 1639237, 3278474, 6556948, 8196185, 13113896, 16392370, 32784740, 65569480]

約数ペア:

[(1, 65569480), (2, 32784740), (4, 16392370), (5, 13113896), (8, 8196185), (10, 6556948), (20, 3278474), (40, 1639237), (53, 1237160), (106, 618580), (157, 417640), (197, 332840), (212, 309290), (265, 247432), (314, 208820), (394, 166420), (424, 154645), (530, 123716), (628, 104410), (785, 83528), (788, 83210), (985, 66568), (1060, 61858), (1256, 52205), (1570, 41764), (1576, 41605), (1970, 33284), (2120, 30929), (3140, 20882), (3940, 16642), (6280, 10441), (7880, 8321)]