20808320500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{4597}}^1$

素因数の和:5450

約数の個数: 96

約数和(自身を含む): 49647806208

約数和(自身を除く): 28839485708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 823, 1100, 1375, 1646, 2750, 3292, 4115, 4597, 5500, 8230, 9053, 9194, 16460, 18106, 18388, 20575, 22985, 36212, 41150, 45265, 45970, 50567, 82300, 90530, 91940, 101134, 102875, 114925, 181060, 202268, 205750, 226325, 229850, 252835, 411500, 452650, 459700, 505670, 574625, 905300, 1011340, 1131625, 1149250, 1264175, 2263250, 2298500, 2528350, 3783331, 4526500, 5056700, 6320875, 7566662, 12641750, 15133324, 18916655, 25283500, 37833310, 41616641, 75666620, 83233282, 94583275, 166466564, 189166550, 208083205, 378333100, 416166410, 472916375, 832332820, 945832750, 1040416025, 1891665500, 2080832050, 4161664100, 5202080125, 10404160250, 20808320500]

約数ペア:

[(1, 20808320500), (2, 10404160250), (4, 5202080125), (5, 4161664100), (10, 2080832050), (11, 1891665500), (20, 1040416025), (22, 945832750), (25, 832332820), (44, 472916375), (50, 416166410), (55, 378333100), (100, 208083205), (110, 189166550), (125, 166466564), (220, 94583275), (250, 83233282), (275, 75666620), (500, 41616641), (550, 37833310), (823, 25283500), (1100, 18916655), (1375, 15133324), (1646, 12641750), (2750, 7566662), (3292, 6320875), (4115, 5056700), (4597, 4526500), (5500, 3783331), (8230, 2528350), (9053, 2298500), (9194, 2263250), (16460, 1264175), (18106, 1149250), (18388, 1131625), (20575, 1011340), (22985, 905300), (36212, 574625), (41150, 505670), (45265, 459700), (45970, 452650), (50567, 411500), (82300, 252835), (90530, 229850), (91940, 226325), (101134, 205750), (102875, 202268), (114925, 181060)]