201087640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20353}}^1$

素因数の和:20396

約数の個数: 64

約数和(自身を含む): 512920800

約数和(自身を除く): 311833160

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 20353, 40706, 81412, 101765, 162824, 203530, 264589, 386707, 407060, 529178, 773414, 814120, 1058356, 1322945, 1546828, 1933535, 2116712, 2645890, 3093656, 3867070, 5027191, 5291780, 7734140, 10054382, 10583560, 15468280, 20108764, 25135955, 40217528, 50271910, 100543820, 201087640]

約数ペア:

[(1, 201087640), (2, 100543820), (4, 50271910), (5, 40217528), (8, 25135955), (10, 20108764), (13, 15468280), (19, 10583560), (20, 10054382), (26, 7734140), (38, 5291780), (40, 5027191), (52, 3867070), (65, 3093656), (76, 2645890), (95, 2116712), (104, 1933535), (130, 1546828), (152, 1322945), (190, 1058356), (247, 814120), (260, 773414), (380, 529178), (494, 407060), (520, 386707), (760, 264589), (988, 203530), (1235, 162824), (1976, 101765), (2470, 81412), (4940, 40706), (9880, 20353)]