40086320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 95770656

約数和(自身を除く): 55684336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 271, 344, 430, 542, 688, 860, 1084, 1355, 1720, 1849, 2168, 2710, 3440, 3698, 4336, 5420, 7396, 9245, 10840, 11653, 14792, 18490, 21680, 23306, 29584, 36980, 46612, 58265, 73960, 93224, 116530, 147920, 186448, 233060, 466120, 501079, 932240, 1002158, 2004316, 2505395, 4008632, 5010790, 8017264, 10021580, 20043160, 40086320]

約数ペア:

[(1, 40086320), (2, 20043160), (4, 10021580), (5, 8017264), (8, 5010790), (10, 4008632), (16, 2505395), (20, 2004316), (40, 1002158), (43, 932240), (80, 501079), (86, 466120), (172, 233060), (215, 186448), (271, 147920), (344, 116530), (430, 93224), (542, 73960), (688, 58265), (860, 46612), (1084, 36980), (1355, 29584), (1720, 23306), (1849, 21680), (2168, 18490), (2710, 14792), (3440, 11653), (3698, 10840), (4336, 9245), (5420, 7396)]