78539680

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1483}}^1$

素因数の和:1829

約数の個数: 48

約数和(自身を含む): 186236064

約数和(自身を除く): 107696384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1483, 1655, 2648, 2966, 3310, 5296, 5932, 6620, 7415, 10592, 11864, 13240, 14830, 23728, 26480, 29660, 47456, 52960, 59320, 118640, 237280, 490873, 981746, 1963492, 2454365, 3926984, 4908730, 7853968, 9817460, 15707936, 19634920, 39269840, 78539680]

約数ペア:

[(1, 78539680), (2, 39269840), (4, 19634920), (5, 15707936), (8, 9817460), (10, 7853968), (16, 4908730), (20, 3926984), (32, 2454365), (40, 1963492), (80, 981746), (160, 490873), (331, 237280), (662, 118640), (1324, 59320), (1483, 52960), (1655, 47456), (2648, 29660), (2966, 26480), (3310, 23728), (5296, 14830), (5932, 13240), (6620, 11864), (7415, 10592)]