8115440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1737

約数の個数: 40

約数和(自身を含む): 19189248

約数和(自身を除く): 11073808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1663, 2440, 3326, 4880, 6652, 8315, 13304, 16630, 26608, 33260, 66520, 101443, 133040, 202886, 405772, 507215, 811544, 1014430, 1623088, 2028860, 4057720, 8115440]

約数ペア:

[(1, 8115440), (2, 4057720), (4, 2028860), (5, 1623088), (8, 1014430), (10, 811544), (16, 507215), (20, 405772), (40, 202886), (61, 133040), (80, 101443), (122, 66520), (244, 33260), (305, 26608), (488, 16630), (610, 13304), (976, 8315), (1220, 6652), (1663, 4880), (2440, 3326)]