54111880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 125974080

約数和(自身を除く): 71862200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 331, 335, 488, 536, 610, 662, 670, 1220, 1324, 1340, 1655, 2440, 2648, 2680, 3310, 4087, 6620, 8174, 13240, 16348, 20191, 20435, 22177, 32696, 40382, 40870, 44354, 80764, 81740, 88708, 100955, 110885, 161528, 163480, 177416, 201910, 221770, 403820, 443540, 807640, 887080, 1352797, 2705594, 5411188, 6763985, 10822376, 13527970, 27055940, 54111880]

約数ペア:

[(1, 54111880), (2, 27055940), (4, 13527970), (5, 10822376), (8, 6763985), (10, 5411188), (20, 2705594), (40, 1352797), (61, 887080), (67, 807640), (122, 443540), (134, 403820), (244, 221770), (268, 201910), (305, 177416), (331, 163480), (335, 161528), (488, 110885), (536, 100955), (610, 88708), (662, 81740), (670, 80764), (1220, 44354), (1324, 40870), (1340, 40382), (1655, 32696), (2440, 22177), (2648, 20435), (2680, 20191), (3310, 16348), (4087, 13240), (6620, 8174)]