78234760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14071}}^1$

素因数の和:14221

約数の個数: 32

約数和(自身を含む): 177307200

約数和(自身を除く): 99072440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 14071, 28142, 56284, 70355, 112568, 140710, 281420, 562840, 1955869, 3911738, 7823476, 9779345, 15646952, 19558690, 39117380, 78234760]

約数ペア:

[(1, 78234760), (2, 39117380), (4, 19558690), (5, 15646952), (8, 9779345), (10, 7823476), (20, 3911738), (40, 1955869), (139, 562840), (278, 281420), (556, 140710), (695, 112568), (1112, 70355), (1390, 56284), (2780, 28142), (5560, 14071)]