86289520

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1889}}^1$

素因数の和:2473

約数の個数: 40

約数和(自身を含む): 201080880

約数和(自身を除く): 114791360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1889, 2284, 2855, 3778, 4568, 5710, 7556, 9136, 9445, 11420, 15112, 18890, 22840, 30224, 37780, 45680, 75560, 151120, 1078619, 2157238, 4314476, 5393095, 8628952, 10786190, 17257904, 21572380, 43144760, 86289520]

約数ペア:

[(1, 86289520), (2, 43144760), (4, 21572380), (5, 17257904), (8, 10786190), (10, 8628952), (16, 5393095), (20, 4314476), (40, 2157238), (80, 1078619), (571, 151120), (1142, 75560), (1889, 45680), (2284, 37780), (2855, 30224), (3778, 22840), (4568, 18890), (5710, 15112), (7556, 11420), (9136, 9445)]