15825920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:317

約数の個数: 88

約数和(自身を含む): 41562288

約数和(自身を除く): 25736368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 281, 320, 352, 440, 512, 562, 640, 704, 880, 1024, 1124, 1280, 1405, 1408, 1760, 2248, 2560, 2810, 2816, 3091, 3520, 4496, 5120, 5620, 5632, 6182, 7040, 8992, 11240, 11264, 12364, 14080, 15455, 17984, 22480, 24728, 28160, 30910, 35968, 44960, 49456, 56320, 61820, 71936, 89920, 98912, 123640, 143872, 179840, 197824, 247280, 287744, 359680, 395648, 494560, 719360, 791296, 989120, 1438720, 1582592, 1978240, 3165184, 3956480, 7912960, 15825920]

約数ペア:

[(1, 15825920), (2, 7912960), (4, 3956480), (5, 3165184), (8, 1978240), (10, 1582592), (11, 1438720), (16, 989120), (20, 791296), (22, 719360), (32, 494560), (40, 395648), (44, 359680), (55, 287744), (64, 247280), (80, 197824), (88, 179840), (110, 143872), (128, 123640), (160, 98912), (176, 89920), (220, 71936), (256, 61820), (281, 56320), (320, 49456), (352, 44960), (440, 35968), (512, 30910), (562, 28160), (640, 24728), (704, 22480), (880, 17984), (1024, 15455), (1124, 14080), (1280, 12364), (1405, 11264), (1408, 11240), (1760, 8992), (2248, 7040), (2560, 6182), (2810, 5632), (2816, 5620), (3091, 5120), (3520, 4496)]