40400204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 78871968

約数和(自身を除く): 38471764

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 107, 137, 212, 214, 274, 428, 548, 689, 1378, 1391, 1781, 2756, 2782, 3562, 5564, 5671, 7124, 7261, 11342, 14522, 14659, 22684, 29044, 29318, 58636, 73723, 94393, 147446, 188786, 190567, 294892, 377572, 381134, 762268, 776927, 1553854, 3107708, 10100051, 20200102, 40400204]

約数ペア:

[(1, 40400204), (2, 20200102), (4, 10100051), (13, 3107708), (26, 1553854), (52, 776927), (53, 762268), (106, 381134), (107, 377572), (137, 294892), (212, 190567), (214, 188786), (274, 147446), (428, 94393), (548, 73723), (689, 58636), (1378, 29318), (1391, 29044), (1781, 22684), (2756, 14659), (2782, 14522), (3562, 11342), (5564, 7261), (5671, 7124)]