16912640

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 41292888

約数和(自身を除く): 24380248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 181, 256, 292, 320, 362, 365, 584, 640, 724, 730, 905, 1168, 1280, 1448, 1460, 1810, 2336, 2896, 2920, 3620, 4672, 5792, 5840, 7240, 9344, 11584, 11680, 13213, 14480, 18688, 23168, 23360, 26426, 28960, 46336, 46720, 52852, 57920, 66065, 93440, 105704, 115840, 132130, 211408, 231680, 264260, 422816, 528520, 845632, 1057040, 1691264, 2114080, 3382528, 4228160, 8456320, 16912640]

約数ペア:

[(1, 16912640), (2, 8456320), (4, 4228160), (5, 3382528), (8, 2114080), (10, 1691264), (16, 1057040), (20, 845632), (32, 528520), (40, 422816), (64, 264260), (73, 231680), (80, 211408), (128, 132130), (146, 115840), (160, 105704), (181, 93440), (256, 66065), (292, 57920), (320, 52852), (362, 46720), (365, 46336), (584, 28960), (640, 26426), (724, 23360), (730, 23168), (905, 18688), (1168, 14480), (1280, 13213), (1448, 11680), (1460, 11584), (1810, 9344), (2336, 7240), (2896, 5840), (2920, 5792), (3620, 4672)]