42653540

素因数分解:

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

素因数の和:444

約数の個数: 48

約数和(自身を含む): 91963200

約数和(自身を除く): 49309660

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 229, 268, 278, 335, 458, 556, 670, 695, 916, 1145, 1340, 1390, 2290, 2780, 4580, 9313, 15343, 18626, 30686, 31831, 37252, 46565, 61372, 63662, 76715, 93130, 127324, 153430, 159155, 186260, 306860, 318310, 636620, 2132677, 4265354, 8530708, 10663385, 21326770, 42653540]

約数ペア:

[(1, 42653540), (2, 21326770), (4, 10663385), (5, 8530708), (10, 4265354), (20, 2132677), (67, 636620), (134, 318310), (139, 306860), (229, 186260), (268, 159155), (278, 153430), (335, 127324), (458, 93130), (556, 76715), (670, 63662), (695, 61372), (916, 46565), (1145, 37252), (1340, 31831), (1390, 30686), (2290, 18626), (2780, 15343), (4580, 9313)]