8820760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16963}}^1$

素因数の和:16987

約数の個数: 32

約数和(自身を含む): 21374640

約数和(自身を除く): 12553880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16963, 33926, 67852, 84815, 135704, 169630, 220519, 339260, 441038, 678520, 882076, 1102595, 1764152, 2205190, 4410380, 8820760]

約数ペア:

[(1, 8820760), (2, 4410380), (4, 2205190), (5, 1764152), (8, 1102595), (10, 882076), (13, 678520), (20, 441038), (26, 339260), (40, 220519), (52, 169630), (65, 135704), (104, 84815), (130, 67852), (260, 33926), (520, 16963)]