13721240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26387}}^1$

素因数の和:26411

約数の個数: 32

約数和(自身を含む): 33248880

約数和(自身を除く): 19527640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26387, 52774, 105548, 131935, 211096, 263870, 343031, 527740, 686062, 1055480, 1372124, 1715155, 2744248, 3430310, 6860620, 13721240]

約数ペア:

[(1, 13721240), (2, 6860620), (4, 3430310), (5, 2744248), (8, 1715155), (10, 1372124), (13, 1055480), (20, 686062), (26, 527740), (40, 343031), (52, 263870), (65, 211096), (104, 131935), (130, 105548), (260, 52774), (520, 26387)]