168810920

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{7417}}^1$

素因数の和:7997

約数の個数: 32

約数和(自身を含む): 380543400

約数和(自身を除く): 211732480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 7417, 11380, 14834, 22760, 29668, 37085, 59336, 74170, 148340, 296680, 4220273, 8440546, 16881092, 21101365, 33762184, 42202730, 84405460, 168810920]

約数ペア:

[(1, 168810920), (2, 84405460), (4, 42202730), (5, 33762184), (8, 21101365), (10, 16881092), (20, 8440546), (40, 4220273), (569, 296680), (1138, 148340), (2276, 74170), (2845, 59336), (4552, 37085), (5690, 29668), (7417, 22760), (11380, 14834)]