82217720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3677}}^1$

素因数の和:3744

約数の個数: 64

約数和(自身を含む): 203908320

約数和(自身を除く): 121690600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 3677, 4472, 5590, 7354, 11180, 14708, 18385, 22360, 29416, 36770, 47801, 73540, 95602, 147080, 158111, 191204, 239005, 316222, 382408, 478010, 632444, 790555, 956020, 1264888, 1581110, 1912040, 2055443, 3162220, 4110886, 6324440, 8221772, 10277215, 16443544, 20554430, 41108860, 82217720]

約数ペア:

[(1, 82217720), (2, 41108860), (4, 20554430), (5, 16443544), (8, 10277215), (10, 8221772), (13, 6324440), (20, 4110886), (26, 3162220), (40, 2055443), (43, 1912040), (52, 1581110), (65, 1264888), (86, 956020), (104, 790555), (130, 632444), (172, 478010), (215, 382408), (260, 316222), (344, 239005), (430, 191204), (520, 158111), (559, 147080), (860, 95602), (1118, 73540), (1720, 47801), (2236, 36770), (2795, 29416), (3677, 22360), (4472, 18385), (5590, 14708), (7354, 11180)]