8456320

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 20606040

約数和(自身を除く): 12149720

約数列:

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

約数ペア:

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