403052080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 972223488

約数和(自身を除く): 569171408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 331, 491, 496, 620, 662, 982, 1240, 1324, 1655, 1964, 2455, 2480, 2648, 3310, 3928, 4910, 5296, 6620, 7856, 9820, 10261, 13240, 15221, 19640, 20522, 26480, 30442, 39280, 41044, 51305, 60884, 76105, 82088, 102610, 121768, 152210, 162521, 164176, 205220, 243536, 304420, 325042, 410440, 608840, 650084, 812605, 820880, 1217680, 1300168, 1625210, 2600336, 3250420, 5038151, 6500840, 10076302, 13001680, 20152604, 25190755, 40305208, 50381510, 80610416, 100763020, 201526040, 403052080]

約数ペア:

[(1, 403052080), (2, 201526040), (4, 100763020), (5, 80610416), (8, 50381510), (10, 40305208), (16, 25190755), (20, 20152604), (31, 13001680), (40, 10076302), (62, 6500840), (80, 5038151), (124, 3250420), (155, 2600336), (248, 1625210), (310, 1300168), (331, 1217680), (491, 820880), (496, 812605), (620, 650084), (662, 608840), (982, 410440), (1240, 325042), (1324, 304420), (1655, 243536), (1964, 205220), (2455, 164176), (2480, 162521), (2648, 152210), (3310, 121768), (3928, 102610), (4910, 82088), (5296, 76105), (6620, 60884), (7856, 51305), (9820, 41044), (10261, 39280), (13240, 30442), (15221, 26480), (19640, 20522)]