40187320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 96772320

約数和(自身を除く): 56585000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 340, 452, 523, 565, 680, 904, 1046, 1130, 1921, 2092, 2260, 2615, 3842, 4184, 4520, 5230, 7684, 8891, 9605, 10460, 15368, 17782, 19210, 20920, 35564, 38420, 44455, 59099, 71128, 76840, 88910, 118198, 177820, 236396, 295495, 355640, 472792, 590990, 1004683, 1181980, 2009366, 2363960, 4018732, 5023415, 8037464, 10046830, 20093660, 40187320]

約数ペア:

[(1, 40187320), (2, 20093660), (4, 10046830), (5, 8037464), (8, 5023415), (10, 4018732), (17, 2363960), (20, 2009366), (34, 1181980), (40, 1004683), (68, 590990), (85, 472792), (113, 355640), (136, 295495), (170, 236396), (226, 177820), (340, 118198), (452, 88910), (523, 76840), (565, 71128), (680, 59099), (904, 44455), (1046, 38420), (1130, 35564), (1921, 20920), (2092, 19210), (2260, 17782), (2615, 15368), (3842, 10460), (4184, 9605), (4520, 8891), (5230, 7684)]