8368100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 20160168

約数和(自身を除く): 11792068

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 157, 164, 205, 260, 314, 325, 410, 533, 628, 650, 785, 820, 1025, 1066, 1300, 1570, 2041, 2050, 2132, 2665, 3140, 3925, 4082, 4100, 5330, 6437, 7850, 8164, 10205, 10660, 12874, 13325, 15700, 20410, 25748, 26650, 32185, 40820, 51025, 53300, 64370, 83681, 102050, 128740, 160925, 167362, 204100, 321850, 334724, 418405, 643700, 836810, 1673620, 2092025, 4184050, 8368100]

約数ペア:

[(1, 8368100), (2, 4184050), (4, 2092025), (5, 1673620), (10, 836810), (13, 643700), (20, 418405), (25, 334724), (26, 321850), (41, 204100), (50, 167362), (52, 160925), (65, 128740), (82, 102050), (100, 83681), (130, 64370), (157, 53300), (164, 51025), (205, 40820), (260, 32185), (314, 26650), (325, 25748), (410, 20410), (533, 15700), (628, 13325), (650, 12874), (785, 10660), (820, 10205), (1025, 8164), (1066, 7850), (1300, 6437), (1570, 5330), (2041, 4100), (2050, 4082), (2132, 3925), (2665, 3140)]