15721818320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15117133}}^1$

素因数の和:15117159

約数の個数: 40

約数和(自身を含む): 39365016936

約数和(自身を除く): 23643198616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15117133, 30234266, 60468532, 75585665, 120937064, 151171330, 196522729, 241874128, 302342660, 393045458, 604685320, 786090916, 982613645, 1209370640, 1572181832, 1965227290, 3144363664, 3930454580, 7860909160, 15721818320]

約数ペア:

[(1, 15721818320), (2, 7860909160), (4, 3930454580), (5, 3144363664), (8, 1965227290), (10, 1572181832), (13, 1209370640), (16, 982613645), (20, 786090916), (26, 604685320), (40, 393045458), (52, 302342660), (65, 241874128), (80, 196522729), (104, 151171330), (130, 120937064), (208, 75585665), (260, 60468532), (520, 30234266), (1040, 15117133)]