1402032640

素因数分解:

$2^9\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1949}}^1$

素因数の和:2253

約数の個数: 80

約数和(自身を含む): 3375286200

約数和(自身を除く): 1973253560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 512, 562, 640, 1124, 1280, 1405, 1949, 2248, 2560, 2810, 3898, 4496, 5620, 7796, 8992, 9745, 11240, 15592, 17984, 19490, 22480, 31184, 35968, 38980, 44960, 62368, 71936, 77960, 89920, 124736, 143872, 155920, 179840, 249472, 311840, 359680, 498944, 547669, 623680, 719360, 997888, 1095338, 1247360, 2190676, 2494720, 2738345, 4381352, 4989440, 5476690, 8762704, 10953380, 17525408, 21906760, 35050816, 43813520, 70101632, 87627040, 140203264, 175254080, 280406528, 350508160, 701016320, 1402032640]

約数ペア:

[(1, 1402032640), (2, 701016320), (4, 350508160), (5, 280406528), (8, 175254080), (10, 140203264), (16, 87627040), (20, 70101632), (32, 43813520), (40, 35050816), (64, 21906760), (80, 17525408), (128, 10953380), (160, 8762704), (256, 5476690), (281, 4989440), (320, 4381352), (512, 2738345), (562, 2494720), (640, 2190676), (1124, 1247360), (1280, 1095338), (1405, 997888), (1949, 719360), (2248, 623680), (2560, 547669), (2810, 498944), (3898, 359680), (4496, 311840), (5620, 249472), (7796, 179840), (8992, 155920), (9745, 143872), (11240, 124736), (15592, 89920), (17984, 77960), (19490, 71936), (22480, 62368), (31184, 44960), (35968, 38980)]