57850000

素因数分解:

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

素因数の和:135

約数の個数: 120

約数和(自身を含む): 152568360

約数和(自身を除く): 94718360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 89, 100, 104, 125, 130, 178, 200, 208, 250, 260, 325, 356, 400, 445, 500, 520, 625, 650, 712, 890, 1000, 1040, 1157, 1250, 1300, 1424, 1625, 1780, 2000, 2225, 2314, 2500, 2600, 3125, 3250, 3560, 4450, 4628, 5000, 5200, 5785, 6250, 6500, 7120, 8125, 8900, 9256, 10000, 11125, 11570, 12500, 13000, 16250, 17800, 18512, 22250, 23140, 25000, 26000, 28925, 32500, 35600, 40625, 44500, 46280, 50000, 55625, 57850, 65000, 81250, 89000, 92560, 111250, 115700, 130000, 144625, 162500, 178000, 222500, 231400, 278125, 289250, 325000, 445000, 462800, 556250, 578500, 650000, 723125, 890000, 1112500, 1157000, 1446250, 2225000, 2314000, 2892500, 3615625, 4450000, 5785000, 7231250, 11570000, 14462500, 28925000, 57850000]

約数ペア:

[(1, 57850000), (2, 28925000), (4, 14462500), (5, 11570000), (8, 7231250), (10, 5785000), (13, 4450000), (16, 3615625), (20, 2892500), (25, 2314000), (26, 2225000), (40, 1446250), (50, 1157000), (52, 1112500), (65, 890000), (80, 723125), (89, 650000), (100, 578500), (104, 556250), (125, 462800), (130, 445000), (178, 325000), (200, 289250), (208, 278125), (250, 231400), (260, 222500), (325, 178000), (356, 162500), (400, 144625), (445, 130000), (500, 115700), (520, 111250), (625, 92560), (650, 89000), (712, 81250), (890, 65000), (1000, 57850), (1040, 55625), (1157, 50000), (1250, 46280), (1300, 44500), (1424, 40625), (1625, 35600), (1780, 32500), (2000, 28925), (2225, 26000), (2314, 25000), (2500, 23140), (2600, 22250), (3125, 18512), (3250, 17800), (3560, 16250), (4450, 13000), (4628, 12500), (5000, 11570), (5200, 11125), (5785, 10000), (6250, 9256), (6500, 8900), (7120, 8125)]