40209760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14783}}^1$

素因数の和:14815

約数の個数: 48

約数和(自身を含む): 100590336

約数和(自身を除く): 60380576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 14783, 29566, 59132, 73915, 118264, 147830, 236528, 251311, 295660, 473056, 502622, 591320, 1005244, 1182640, 1256555, 2010488, 2365280, 2513110, 4020976, 5026220, 8041952, 10052440, 20104880, 40209760]

約数ペア:

[(1, 40209760), (2, 20104880), (4, 10052440), (5, 8041952), (8, 5026220), (10, 4020976), (16, 2513110), (17, 2365280), (20, 2010488), (32, 1256555), (34, 1182640), (40, 1005244), (68, 591320), (80, 502622), (85, 473056), (136, 295660), (160, 251311), (170, 236528), (272, 147830), (340, 118264), (544, 73915), (680, 59132), (1360, 29566), (2720, 14783)]