80147860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18133}}^1$

素因数の和:18172

約数の個数: 48

約数和(自身を含む): 191930256

約数和(自身を除く): 111782396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 18133, 36266, 72532, 90665, 181330, 235729, 308261, 362660, 471458, 616522, 942916, 1178645, 1233044, 1541305, 2357290, 3082610, 4007393, 4714580, 6165220, 8014786, 16029572, 20036965, 40073930, 80147860]

約数ペア:

[(1, 80147860), (2, 40073930), (4, 20036965), (5, 16029572), (10, 8014786), (13, 6165220), (17, 4714580), (20, 4007393), (26, 3082610), (34, 2357290), (52, 1541305), (65, 1233044), (68, 1178645), (85, 942916), (130, 616522), (170, 471458), (221, 362660), (260, 308261), (340, 235729), (442, 181330), (884, 90665), (1105, 72532), (2210, 36266), (4420, 18133)]