40718600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15661}}^1$

素因数の和:15690

約数の個数: 48

約数和(自身を含む): 101959620

約数和(自身を除く): 61241020

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 15661, 31322, 62644, 78305, 125288, 156610, 203593, 313220, 391525, 407186, 626440, 783050, 814372, 1017965, 1566100, 1628744, 2035930, 3132200, 4071860, 5089825, 8143720, 10179650, 20359300, 40718600]

約数ペア:

[(1, 40718600), (2, 20359300), (4, 10179650), (5, 8143720), (8, 5089825), (10, 4071860), (13, 3132200), (20, 2035930), (25, 1628744), (26, 1566100), (40, 1017965), (50, 814372), (52, 783050), (65, 626440), (100, 407186), (104, 391525), (130, 313220), (200, 203593), (260, 156610), (325, 125288), (520, 78305), (650, 62644), (1300, 31322), (2600, 15661)]