6452500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 14760900

約数和(自身を除く): 8308400

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 100, 116, 125, 145, 178, 250, 290, 356, 445, 500, 580, 625, 725, 890, 1250, 1450, 1780, 2225, 2500, 2581, 2900, 3625, 4450, 5162, 7250, 8900, 10324, 11125, 12905, 14500, 18125, 22250, 25810, 36250, 44500, 51620, 55625, 64525, 72500, 111250, 129050, 222500, 258100, 322625, 645250, 1290500, 1613125, 3226250, 6452500]

約数ペア:

[(1, 6452500), (2, 3226250), (4, 1613125), (5, 1290500), (10, 645250), (20, 322625), (25, 258100), (29, 222500), (50, 129050), (58, 111250), (89, 72500), (100, 64525), (116, 55625), (125, 51620), (145, 44500), (178, 36250), (250, 25810), (290, 22250), (356, 18125), (445, 14500), (500, 12905), (580, 11125), (625, 10324), (725, 8900), (890, 7250), (1250, 5162), (1450, 4450), (1780, 3625), (2225, 2900), (2500, 2581)]