82170400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7901}}^1$

素因数の和:7934

約数の個数: 72

約数和(自身を含む): 216056484

約数和(自身を除く): 133886084

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7901, 10400, 15802, 31604, 39505, 63208, 79010, 102713, 126416, 158020, 197525, 205426, 252832, 316040, 395050, 410852, 513565, 632080, 790100, 821704, 1027130, 1264160, 1580200, 1643408, 2054260, 2567825, 3160400, 3286816, 4108520, 5135650, 6320800, 8217040, 10271300, 16434080, 20542600, 41085200, 82170400]

約数ペア:

[(1, 82170400), (2, 41085200), (4, 20542600), (5, 16434080), (8, 10271300), (10, 8217040), (13, 6320800), (16, 5135650), (20, 4108520), (25, 3286816), (26, 3160400), (32, 2567825), (40, 2054260), (50, 1643408), (52, 1580200), (65, 1264160), (80, 1027130), (100, 821704), (104, 790100), (130, 632080), (160, 513565), (200, 410852), (208, 395050), (260, 316040), (325, 252832), (400, 205426), (416, 197525), (520, 158020), (650, 126416), (800, 102713), (1040, 79010), (1300, 63208), (2080, 39505), (2600, 31604), (5200, 15802), (7901, 10400)]