201526040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 470430720

約数和(自身を除く): 268904680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 491, 620, 662, 982, 1240, 1324, 1655, 1964, 2455, 2648, 3310, 3928, 4910, 6620, 9820, 10261, 13240, 15221, 19640, 20522, 30442, 41044, 51305, 60884, 76105, 82088, 102610, 121768, 152210, 162521, 205220, 304420, 325042, 410440, 608840, 650084, 812605, 1300168, 1625210, 3250420, 5038151, 6500840, 10076302, 20152604, 25190755, 40305208, 50381510, 100763020, 201526040]

約数ペア:

[(1, 201526040), (2, 100763020), (4, 50381510), (5, 40305208), (8, 25190755), (10, 20152604), (20, 10076302), (31, 6500840), (40, 5038151), (62, 3250420), (124, 1625210), (155, 1300168), (248, 812605), (310, 650084), (331, 608840), (491, 410440), (620, 325042), (662, 304420), (982, 205220), (1240, 162521), (1324, 152210), (1655, 121768), (1964, 102610), (2455, 82088), (2648, 76105), (3310, 60884), (3928, 51305), (4910, 41044), (6620, 30442), (9820, 20522), (10261, 19640), (13240, 15221)]