2055117040

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 4831833600

約数和(自身を除く): 2776716560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 359, 439, 652, 718, 815, 878, 1304, 1436, 1630, 1756, 1795, 2195, 2608, 2872, 3260, 3512, 3590, 4390, 5744, 6520, 7024, 7180, 8780, 13040, 14360, 17560, 28720, 35120, 58517, 71557, 117034, 143114, 157601, 234068, 286228, 292585, 315202, 357785, 468136, 572456, 585170, 630404, 715570, 788005, 936272, 1144912, 1170340, 1260808, 1431140, 1576010, 2340680, 2521616, 2862280, 3152020, 4681360, 5724560, 6304040, 12608080, 25688963, 51377926, 102755852, 128444815, 205511704, 256889630, 411023408, 513779260, 1027558520, 2055117040]

約数ペア:

[(1, 2055117040), (2, 1027558520), (4, 513779260), (5, 411023408), (8, 256889630), (10, 205511704), (16, 128444815), (20, 102755852), (40, 51377926), (80, 25688963), (163, 12608080), (326, 6304040), (359, 5724560), (439, 4681360), (652, 3152020), (718, 2862280), (815, 2521616), (878, 2340680), (1304, 1576010), (1436, 1431140), (1630, 1260808), (1756, 1170340), (1795, 1144912), (2195, 936272), (2608, 788005), (2872, 715570), (3260, 630404), (3512, 585170), (3590, 572456), (4390, 468136), (5744, 357785), (6520, 315202), (7024, 292585), (7180, 286228), (8780, 234068), (13040, 157601), (14360, 143114), (17560, 117034), (28720, 71557), (35120, 58517)]