28385680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15427}}^1$

素因数の和:15463

約数の個数: 40

約数和(自身を含む): 68870592

約数和(自身を除く): 40484912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15427, 30854, 61708, 77135, 123416, 154270, 246832, 308540, 354821, 617080, 709642, 1234160, 1419284, 1774105, 2838568, 3548210, 5677136, 7096420, 14192840, 28385680]

約数ペア:

[(1, 28385680), (2, 14192840), (4, 7096420), (5, 5677136), (8, 3548210), (10, 2838568), (16, 1774105), (20, 1419284), (23, 1234160), (40, 709642), (46, 617080), (80, 354821), (92, 308540), (115, 246832), (184, 154270), (230, 123416), (368, 77135), (460, 61708), (920, 30854), (1840, 15427)]