129150320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124183}}^1$

素因数の和:124209

約数の個数: 40

約数和(自身を含む): 323375136

約数和(自身を除く): 194224816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 124183, 248366, 496732, 620915, 993464, 1241830, 1614379, 1986928, 2483660, 3228758, 4967320, 6457516, 8071895, 9934640, 12915032, 16143790, 25830064, 32287580, 64575160, 129150320]

約数ペア:

[(1, 129150320), (2, 64575160), (4, 32287580), (5, 25830064), (8, 16143790), (10, 12915032), (13, 9934640), (16, 8071895), (20, 6457516), (26, 4967320), (40, 3228758), (52, 2483660), (65, 1986928), (80, 1614379), (104, 1241830), (130, 993464), (208, 620915), (260, 496732), (520, 248366), (1040, 124183)]