2013765875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 2826869760

約数和(自身を除く): 813103885

約数列:

[1, 5, 11, 25, 55, 59, 103, 125, 241, 275, 295, 515, 649, 1133, 1205, 1375, 1475, 2575, 2651, 3245, 5665, 6025, 6077, 7375, 12875, 13255, 14219, 16225, 24823, 28325, 30125, 30385, 66275, 66847, 71095, 81125, 124115, 141625, 151925, 156409, 273053, 331375, 334235, 355475, 620575, 759625, 782045, 1365265, 1464557, 1671175, 1777375, 3102875, 3910225, 6826325, 7322785, 8355875, 16110127, 19551125, 34131625, 36613925, 80550635, 183069625, 402753175, 2013765875]

約数ペア:

[(1, 2013765875), (5, 402753175), (11, 183069625), (25, 80550635), (55, 36613925), (59, 34131625), (103, 19551125), (125, 16110127), (241, 8355875), (275, 7322785), (295, 6826325), (515, 3910225), (649, 3102875), (1133, 1777375), (1205, 1671175), (1375, 1464557), (1475, 1365265), (2575, 782045), (2651, 759625), (3245, 620575), (5665, 355475), (6025, 334235), (6077, 331375), (7375, 273053), (12875, 156409), (13255, 151925), (14219, 141625), (16225, 124115), (24823, 81125), (28325, 71095), (30125, 66847), (30385, 66275)]