813302750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{997}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 1647801792

約数和(自身を除く): 834499042

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 251, 325, 502, 650, 997, 1255, 1625, 1994, 2510, 3250, 3263, 4985, 6275, 6526, 9970, 12550, 12961, 16315, 24925, 25922, 31375, 32630, 49850, 62750, 64805, 81575, 124625, 129610, 163150, 249250, 250247, 324025, 407875, 500494, 648050, 815750, 1251235, 1620125, 2502470, 3240250, 3253211, 6256175, 6506422, 12512350, 16266055, 31280875, 32532110, 62561750, 81330275, 162660550, 406651375, 813302750]

約数ペア:

[(1, 813302750), (2, 406651375), (5, 162660550), (10, 81330275), (13, 62561750), (25, 32532110), (26, 31280875), (50, 16266055), (65, 12512350), (125, 6506422), (130, 6256175), (250, 3253211), (251, 3240250), (325, 2502470), (502, 1620125), (650, 1251235), (997, 815750), (1255, 648050), (1625, 500494), (1994, 407875), (2510, 324025), (3250, 250247), (3263, 249250), (4985, 163150), (6275, 129610), (6526, 124625), (9970, 81575), (12550, 64805), (12961, 62750), (16315, 49850), (24925, 32630), (25922, 31375)]