30718480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29537}}^1$

素因数の和:29563

約数の個数: 40

約数和(自身を含む): 76916952

約数和(自身を除く): 46198472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29537, 59074, 118148, 147685, 236296, 295370, 383981, 472592, 590740, 767962, 1181480, 1535924, 1919905, 2362960, 3071848, 3839810, 6143696, 7679620, 15359240, 30718480]

約数ペア:

[(1, 30718480), (2, 15359240), (4, 7679620), (5, 6143696), (8, 3839810), (10, 3071848), (13, 2362960), (16, 1919905), (20, 1535924), (26, 1181480), (40, 767962), (52, 590740), (65, 472592), (80, 383981), (104, 295370), (130, 236296), (208, 147685), (260, 118148), (520, 59074), (1040, 29537)]