40723280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39157}}^1$

素因数の和:39183

約数の個数: 40

約数和(自身を含む): 101967432

約数和(自身を除く): 61244152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 39157, 78314, 156628, 195785, 313256, 391570, 509041, 626512, 783140, 1018082, 1566280, 2036164, 2545205, 3132560, 4072328, 5090410, 8144656, 10180820, 20361640, 40723280]

約数ペア:

[(1, 40723280), (2, 20361640), (4, 10180820), (5, 8144656), (8, 5090410), (10, 4072328), (13, 3132560), (16, 2545205), (20, 2036164), (26, 1566280), (40, 1018082), (52, 783140), (65, 626512), (80, 509041), (104, 391570), (130, 313256), (208, 195785), (260, 156628), (520, 78314), (1040, 39157)]