129843520

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2255

約数の個数: 56

約数和(自身を含む): 310896000

約数和(自身を除く): 181052480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 796, 995, 1592, 1990, 2039, 3184, 3980, 4078, 6368, 7960, 8156, 10195, 12736, 15920, 16312, 20390, 31840, 32624, 40780, 63680, 65248, 81560, 130496, 163120, 326240, 405761, 652480, 811522, 1623044, 2028805, 3246088, 4057610, 6492176, 8115220, 12984352, 16230440, 25968704, 32460880, 64921760, 129843520]

約数ペア:

[(1, 129843520), (2, 64921760), (4, 32460880), (5, 25968704), (8, 16230440), (10, 12984352), (16, 8115220), (20, 6492176), (32, 4057610), (40, 3246088), (64, 2028805), (80, 1623044), (160, 811522), (199, 652480), (320, 405761), (398, 326240), (796, 163120), (995, 130496), (1592, 81560), (1990, 65248), (2039, 63680), (3184, 40780), (3980, 32624), (4078, 31840), (6368, 20390), (7960, 16312), (8156, 15920), (10195, 12736)]