85307080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 197064000

約数和(自身を除く): 111756920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 139, 229, 268, 278, 335, 458, 536, 556, 670, 695, 916, 1112, 1145, 1340, 1390, 1832, 2290, 2680, 2780, 4580, 5560, 9160, 9313, 15343, 18626, 30686, 31831, 37252, 46565, 61372, 63662, 74504, 76715, 93130, 122744, 127324, 153430, 159155, 186260, 254648, 306860, 318310, 372520, 613720, 636620, 1273240, 2132677, 4265354, 8530708, 10663385, 17061416, 21326770, 42653540, 85307080]

約数ペア:

[(1, 85307080), (2, 42653540), (4, 21326770), (5, 17061416), (8, 10663385), (10, 8530708), (20, 4265354), (40, 2132677), (67, 1273240), (134, 636620), (139, 613720), (229, 372520), (268, 318310), (278, 306860), (335, 254648), (458, 186260), (536, 159155), (556, 153430), (670, 127324), (695, 122744), (916, 93130), (1112, 76715), (1145, 74504), (1340, 63662), (1390, 61372), (1832, 46565), (2290, 37252), (2680, 31831), (2780, 30686), (4580, 18626), (5560, 15343), (9160, 9313)]