80548850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 156109056

約数和(自身を除く): 75560206

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 157, 310, 314, 331, 662, 775, 785, 1550, 1570, 1655, 3310, 3925, 4867, 7850, 8275, 9734, 10261, 16550, 20522, 24335, 48670, 51305, 51967, 102610, 103934, 121675, 243350, 256525, 259835, 513050, 519670, 1299175, 1610977, 2598350, 3221954, 8054885, 16109770, 40274425, 80548850]

約数ペア:

[(1, 80548850), (2, 40274425), (5, 16109770), (10, 8054885), (25, 3221954), (31, 2598350), (50, 1610977), (62, 1299175), (155, 519670), (157, 513050), (310, 259835), (314, 256525), (331, 243350), (662, 121675), (775, 103934), (785, 102610), (1550, 51967), (1570, 51305), (1655, 48670), (3310, 24335), (3925, 20522), (4867, 16550), (7850, 10261), (8275, 9734)]