28901840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32843}}^1$

素因数の和:32867

約数の個数: 40

約数和(自身を含む): 73307808

約数和(自身を除く): 44405968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32843, 65686, 131372, 164215, 262744, 328430, 361273, 525488, 656860, 722546, 1313720, 1445092, 1806365, 2627440, 2890184, 3612730, 5780368, 7225460, 14450920, 28901840]

約数ペア:

[(1, 28901840), (2, 14450920), (4, 7225460), (5, 5780368), (8, 3612730), (10, 2890184), (11, 2627440), (16, 1806365), (20, 1445092), (22, 1313720), (40, 722546), (44, 656860), (55, 525488), (80, 361273), (88, 328430), (110, 262744), (176, 164215), (220, 131372), (440, 65686), (880, 32843)]