40387575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 71424000

約数和(自身を除く): 31036425

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 435, 465, 599, 725, 775, 899, 1797, 2175, 2325, 2697, 2995, 4495, 8985, 13485, 14975, 17371, 18569, 22475, 44925, 52113, 55707, 67425, 86855, 92845, 260565, 278535, 434275, 464225, 538501, 1302825, 1392675, 1615503, 2692505, 8077515, 13462525, 40387575]

約数ペア:

[(1, 40387575), (3, 13462525), (5, 8077515), (15, 2692505), (25, 1615503), (29, 1392675), (31, 1302825), (75, 538501), (87, 464225), (93, 434275), (145, 278535), (155, 260565), (435, 92845), (465, 86855), (599, 67425), (725, 55707), (775, 52113), (899, 44925), (1797, 22475), (2175, 18569), (2325, 17371), (2697, 14975), (2995, 13485), (4495, 8985)]