172884920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{332471}}^1$

素因数の和:332495

約数の個数: 32

約数和(自身を含む): 418914720

約数和(自身を除く): 246029800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 332471, 664942, 1329884, 1662355, 2659768, 3324710, 4322123, 6649420, 8644246, 13298840, 17288492, 21610615, 34576984, 43221230, 86442460, 172884920]

約数ペア:

[(1, 172884920), (2, 86442460), (4, 43221230), (5, 34576984), (8, 21610615), (10, 17288492), (13, 13298840), (20, 8644246), (26, 6649420), (40, 4322123), (52, 3324710), (65, 2659768), (104, 1662355), (130, 1329884), (260, 664942), (520, 332471)]