511907680

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8059}}^1$

素因数の和:8471

約数の個数: 48

約数和(自身を含む): 1212578640

約数和(自身を除く): 700670960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 8059, 12704, 15880, 16118, 31760, 32236, 40295, 63520, 64472, 80590, 128944, 161180, 257888, 322360, 644720, 1289440, 3199423, 6398846, 12797692, 15997115, 25595384, 31994230, 51190768, 63988460, 102381536, 127976920, 255953840, 511907680]

約数ペア:

[(1, 511907680), (2, 255953840), (4, 127976920), (5, 102381536), (8, 63988460), (10, 51190768), (16, 31994230), (20, 25595384), (32, 15997115), (40, 12797692), (80, 6398846), (160, 3199423), (397, 1289440), (794, 644720), (1588, 322360), (1985, 257888), (3176, 161180), (3970, 128944), (6352, 80590), (7940, 64472), (8059, 63520), (12704, 40295), (15880, 32236), (16118, 31760)]