79387880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13914

約数の個数: 64

約数和(自身を含む): 209865600

約数和(自身を除く): 130477720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13879, 27758, 55516, 69395, 111032, 138790, 152669, 180427, 277580, 305338, 360854, 555160, 610676, 721708, 763345, 902135, 1221352, 1443416, 1526690, 1804270, 1984697, 3053380, 3608540, 3969394, 6106760, 7217080, 7938788, 9923485, 15877576, 19846970, 39693940, 79387880]

約数ペア:

[(1, 79387880), (2, 39693940), (4, 19846970), (5, 15877576), (8, 9923485), (10, 7938788), (11, 7217080), (13, 6106760), (20, 3969394), (22, 3608540), (26, 3053380), (40, 1984697), (44, 1804270), (52, 1526690), (55, 1443416), (65, 1221352), (88, 902135), (104, 763345), (110, 721708), (130, 610676), (143, 555160), (220, 360854), (260, 305338), (286, 277580), (440, 180427), (520, 152669), (572, 138790), (715, 111032), (1144, 69395), (1430, 55516), (2860, 27758), (5720, 13879)]