79591720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{569}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 193914000

約数和(自身を除く): 114322280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 569, 1076, 1138, 1345, 2152, 2276, 2690, 2845, 3497, 4552, 5380, 5690, 6994, 7397, 10760, 11380, 13988, 14794, 17485, 22760, 27976, 29588, 34970, 36985, 59176, 69940, 73970, 139880, 147940, 153061, 295880, 306122, 612244, 765305, 1224488, 1530610, 1989793, 3061220, 3979586, 6122440, 7959172, 9948965, 15918344, 19897930, 39795860, 79591720]

約数ペア:

[(1, 79591720), (2, 39795860), (4, 19897930), (5, 15918344), (8, 9948965), (10, 7959172), (13, 6122440), (20, 3979586), (26, 3061220), (40, 1989793), (52, 1530610), (65, 1224488), (104, 765305), (130, 612244), (260, 306122), (269, 295880), (520, 153061), (538, 147940), (569, 139880), (1076, 73970), (1138, 69940), (1345, 59176), (2152, 36985), (2276, 34970), (2690, 29588), (2845, 27976), (3497, 22760), (4552, 17485), (5380, 14794), (5690, 13988), (6994, 11380), (7397, 10760)]