8438750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 40

約数和(自身を含む): 16288536

約数和(自身を除く): 7849786

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 157, 215, 250, 314, 430, 625, 785, 1075, 1250, 1570, 2150, 3925, 5375, 6751, 7850, 10750, 13502, 19625, 26875, 33755, 39250, 53750, 67510, 98125, 168775, 196250, 337550, 843875, 1687750, 4219375, 8438750]

約数ペア:

[(1, 8438750), (2, 4219375), (5, 1687750), (10, 843875), (25, 337550), (43, 196250), (50, 168775), (86, 98125), (125, 67510), (157, 53750), (215, 39250), (250, 33755), (314, 26875), (430, 19625), (625, 13502), (785, 10750), (1075, 7850), (1250, 6751), (1570, 5375), (2150, 3925)]