5138120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 12806640

約数和(自身を除く): 7668520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 241, 260, 328, 410, 482, 520, 533, 820, 964, 1066, 1205, 1640, 1928, 2132, 2410, 2665, 3133, 4264, 4820, 5330, 6266, 9640, 9881, 10660, 12532, 15665, 19762, 21320, 25064, 31330, 39524, 49405, 62660, 79048, 98810, 125320, 128453, 197620, 256906, 395240, 513812, 642265, 1027624, 1284530, 2569060, 5138120]

約数ペア:

[(1, 5138120), (2, 2569060), (4, 1284530), (5, 1027624), (8, 642265), (10, 513812), (13, 395240), (20, 256906), (26, 197620), (40, 128453), (41, 125320), (52, 98810), (65, 79048), (82, 62660), (104, 49405), (130, 39524), (164, 31330), (205, 25064), (241, 21320), (260, 19762), (328, 15665), (410, 12532), (482, 10660), (520, 9881), (533, 9640), (820, 6266), (964, 5330), (1066, 4820), (1205, 4264), (1640, 3133), (1928, 2665), (2132, 2410)]