944123440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{907811}}^1$

素因数の和:907837

約数の個数: 40

約数和(自身を含む): 2363942448

約数和(自身を除く): 1419819008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 907811, 1815622, 3631244, 4539055, 7262488, 9078110, 11801543, 14524976, 18156220, 23603086, 36312440, 47206172, 59007715, 72624880, 94412344, 118015430, 188824688, 236030860, 472061720, 944123440]

約数ペア:

[(1, 944123440), (2, 472061720), (4, 236030860), (5, 188824688), (8, 118015430), (10, 94412344), (13, 72624880), (16, 59007715), (20, 47206172), (26, 36312440), (40, 23603086), (52, 18156220), (65, 14524976), (80, 11801543), (104, 9078110), (130, 7262488), (208, 4539055), (260, 3631244), (520, 1815622), (1040, 907811)]