1038652640

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{32621}}^1$

素因数の和:32835

約数の個数: 48

約数和(自身を含む): 2466223200

約数和(自身を除く): 1427570560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15920, 31840, 32621, 65242, 130484, 163105, 260968, 326210, 521936, 652420, 1043872, 1304840, 2609680, 5219360, 6491579, 12983158, 25966316, 32457895, 51932632, 64915790, 103865264, 129831580, 207730528, 259663160, 519326320, 1038652640]

約数ペア:

[(1, 1038652640), (2, 519326320), (4, 259663160), (5, 207730528), (8, 129831580), (10, 103865264), (16, 64915790), (20, 51932632), (32, 32457895), (40, 25966316), (80, 12983158), (160, 6491579), (199, 5219360), (398, 2609680), (796, 1304840), (995, 1043872), (1592, 652420), (1990, 521936), (3184, 326210), (3980, 260968), (6368, 163105), (7960, 130484), (15920, 65242), (31840, 32621)]