817384640

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{7717}}^1$

素因数の和:8065

約数の個数: 56

約数和(自身を含む): 1952530512

約数和(自身を除く): 1135145872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 7717, 10592, 13240, 15434, 21184, 26480, 30868, 38585, 52960, 61736, 77170, 105920, 123472, 154340, 246944, 308680, 493888, 617360, 1234720, 2469440, 2554327, 5108654, 10217308, 12771635, 20434616, 25543270, 40869232, 51086540, 81738464, 102173080, 163476928, 204346160, 408692320, 817384640]

約数ペア:

[(1, 817384640), (2, 408692320), (4, 204346160), (5, 163476928), (8, 102173080), (10, 81738464), (16, 51086540), (20, 40869232), (32, 25543270), (40, 20434616), (64, 12771635), (80, 10217308), (160, 5108654), (320, 2554327), (331, 2469440), (662, 1234720), (1324, 617360), (1655, 493888), (2648, 308680), (3310, 246944), (5296, 154340), (6620, 123472), (7717, 105920), (10592, 77170), (13240, 61736), (15434, 52960), (21184, 38585), (26480, 30868)]