40639575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^3\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 71820800

約数和(自身を除く): 31181225

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 79, 95, 237, 285, 361, 395, 475, 1083, 1185, 1425, 1501, 1805, 1975, 4503, 5415, 5925, 6859, 7505, 9025, 20577, 22515, 27075, 28519, 34295, 37525, 85557, 102885, 112575, 142595, 171475, 427785, 514425, 541861, 712975, 1625583, 2138925, 2709305, 8127915, 13546525, 40639575]

約数ペア:

[(1, 40639575), (3, 13546525), (5, 8127915), (15, 2709305), (19, 2138925), (25, 1625583), (57, 712975), (75, 541861), (79, 514425), (95, 427785), (237, 171475), (285, 142595), (361, 112575), (395, 102885), (475, 85557), (1083, 37525), (1185, 34295), (1425, 28519), (1501, 27075), (1805, 22515), (1975, 20577), (4503, 9025), (5415, 7505), (5925, 6859)]