78588640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37783}}^1$

素因数の和:37811

約数の個数: 48

約数和(自身を含む): 199952928

約数和(自身を除く): 121364288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37783, 75566, 151132, 188915, 302264, 377830, 491179, 604528, 755660, 982358, 1209056, 1511320, 1964716, 2455895, 3022640, 3929432, 4911790, 6045280, 7858864, 9823580, 15717728, 19647160, 39294320, 78588640]

約数ペア:

[(1, 78588640), (2, 39294320), (4, 19647160), (5, 15717728), (8, 9823580), (10, 7858864), (13, 6045280), (16, 4911790), (20, 3929432), (26, 3022640), (32, 2455895), (40, 1964716), (52, 1511320), (65, 1209056), (80, 982358), (104, 755660), (130, 604528), (160, 491179), (208, 377830), (260, 302264), (416, 188915), (520, 151132), (1040, 75566), (2080, 37783)]