40717780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 88179840

約数和(自身を除く): 47462060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 359, 428, 530, 535, 718, 1060, 1070, 1436, 1795, 2140, 3590, 5671, 7180, 11342, 19027, 22684, 28355, 38054, 38413, 56710, 76108, 76826, 95135, 113420, 153652, 190270, 192065, 380540, 384130, 768260, 2035889, 4071778, 8143556, 10179445, 20358890, 40717780]

約数ペア:

[(1, 40717780), (2, 20358890), (4, 10179445), (5, 8143556), (10, 4071778), (20, 2035889), (53, 768260), (106, 384130), (107, 380540), (212, 192065), (214, 190270), (265, 153652), (359, 113420), (428, 95135), (530, 76826), (535, 76108), (718, 56710), (1060, 38413), (1070, 38054), (1436, 28355), (1795, 22684), (2140, 19027), (3590, 11342), (5671, 7180)]