16131250

素因数分解:

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

素因数の和:145

約数の個数: 48

約数和(自身を含む): 31638600

約数和(自身を除く): 15507350

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 89, 125, 145, 178, 250, 290, 445, 625, 725, 890, 1250, 1450, 2225, 2581, 3125, 3625, 4450, 5162, 6250, 7250, 11125, 12905, 18125, 22250, 25810, 36250, 55625, 64525, 90625, 111250, 129050, 181250, 278125, 322625, 556250, 645250, 1613125, 3226250, 8065625, 16131250]

約数ペア:

[(1, 16131250), (2, 8065625), (5, 3226250), (10, 1613125), (25, 645250), (29, 556250), (50, 322625), (58, 278125), (89, 181250), (125, 129050), (145, 111250), (178, 90625), (250, 64525), (290, 55625), (445, 36250), (625, 25810), (725, 22250), (890, 18125), (1250, 12905), (1450, 11125), (2225, 7250), (2581, 6250), (3125, 5162), (3625, 4450)]