80378600

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1483}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 187696320

約数和(自身を除く): 107317720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 1084, 1355, 1483, 2168, 2710, 2966, 5420, 5932, 6775, 7415, 10840, 11864, 13550, 14830, 27100, 29660, 37075, 54200, 59320, 74150, 148300, 296600, 401893, 803786, 1607572, 2009465, 3215144, 4018930, 8037860, 10047325, 16075720, 20094650, 40189300, 80378600]

約数ペア:

[(1, 80378600), (2, 40189300), (4, 20094650), (5, 16075720), (8, 10047325), (10, 8037860), (20, 4018930), (25, 3215144), (40, 2009465), (50, 1607572), (100, 803786), (200, 401893), (271, 296600), (542, 148300), (1084, 74150), (1355, 59320), (1483, 54200), (2168, 37075), (2710, 29660), (2966, 27100), (5420, 14830), (5932, 13550), (6775, 11864), (7415, 10840)]