89667500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 220429440

約数和(自身を除く): 130761940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 89, 100, 124, 125, 130, 155, 178, 250, 260, 310, 325, 356, 403, 445, 500, 620, 625, 650, 775, 806, 890, 1157, 1250, 1300, 1550, 1612, 1625, 1780, 2015, 2225, 2314, 2500, 2759, 3100, 3250, 3875, 4030, 4450, 4628, 5518, 5785, 6500, 7750, 8060, 8125, 8900, 10075, 11036, 11125, 11570, 13795, 15500, 16250, 19375, 20150, 22250, 23140, 27590, 28925, 32500, 35867, 38750, 40300, 44500, 50375, 55180, 55625, 57850, 68975, 71734, 77500, 100750, 111250, 115700, 137950, 143468, 144625, 179335, 201500, 222500, 251875, 275900, 289250, 344875, 358670, 503750, 578500, 689750, 717340, 723125, 896675, 1007500, 1379500, 1446250, 1724375, 1793350, 2892500, 3448750, 3586700, 4483375, 6897500, 8966750, 17933500, 22416875, 44833750, 89667500]

約数ペア:

[(1, 89667500), (2, 44833750), (4, 22416875), (5, 17933500), (10, 8966750), (13, 6897500), (20, 4483375), (25, 3586700), (26, 3448750), (31, 2892500), (50, 1793350), (52, 1724375), (62, 1446250), (65, 1379500), (89, 1007500), (100, 896675), (124, 723125), (125, 717340), (130, 689750), (155, 578500), (178, 503750), (250, 358670), (260, 344875), (310, 289250), (325, 275900), (356, 251875), (403, 222500), (445, 201500), (500, 179335), (620, 144625), (625, 143468), (650, 137950), (775, 115700), (806, 111250), (890, 100750), (1157, 77500), (1250, 71734), (1300, 68975), (1550, 57850), (1612, 55625), (1625, 55180), (1780, 50375), (2015, 44500), (2225, 40300), (2314, 38750), (2500, 35867), (2759, 32500), (3100, 28925), (3250, 27590), (3875, 23140), (4030, 22250), (4450, 20150), (4628, 19375), (5518, 16250), (5785, 15500), (6500, 13795), (7750, 11570), (8060, 11125), (8125, 11036), (8900, 10075)]