255063640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7321}}^1$

素因数の和:7412

約数の個数: 64

約数和(自身を含む): 627348960

約数和(自身を除く): 372285320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 7321, 8710, 14642, 17420, 29284, 34840, 36605, 58568, 73210, 95173, 146420, 190346, 292840, 380692, 475865, 490507, 761384, 951730, 981014, 1903460, 1962028, 2452535, 3806920, 3924056, 4905070, 6376591, 9810140, 12753182, 19620280, 25506364, 31882955, 51012728, 63765910, 127531820, 255063640]

約数ペア:

[(1, 255063640), (2, 127531820), (4, 63765910), (5, 51012728), (8, 31882955), (10, 25506364), (13, 19620280), (20, 12753182), (26, 9810140), (40, 6376591), (52, 4905070), (65, 3924056), (67, 3806920), (104, 2452535), (130, 1962028), (134, 1903460), (260, 981014), (268, 951730), (335, 761384), (520, 490507), (536, 475865), (670, 380692), (871, 292840), (1340, 190346), (1742, 146420), (2680, 95173), (3484, 73210), (4355, 58568), (6968, 36605), (7321, 34840), (8710, 29284), (14642, 17420)]