40188880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6359}}^1$

素因数の和:6451

約数の個数: 40

約数和(自身を含む): 94636800

約数和(自身を除く): 54447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6359, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 254360, 502361, 508720, 1004722, 2009444, 2511805, 4018888, 5023610, 8037776, 10047220, 20094440, 40188880]

約数ペア:

[(1, 40188880), (2, 20094440), (4, 10047220), (5, 8037776), (8, 5023610), (10, 4018888), (16, 2511805), (20, 2009444), (40, 1004722), (79, 508720), (80, 502361), (158, 254360), (316, 127180), (395, 101744), (632, 63590), (790, 50872), (1264, 31795), (1580, 25436), (3160, 12718), (6320, 6359)]