85410560

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 208610640

約数和(自身を除く): 123200080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1259, 1280, 1696, 2120, 2518, 3392, 4240, 5036, 6295, 6784, 8480, 10072, 12590, 13568, 16960, 20144, 25180, 33920, 40288, 50360, 66727, 67840, 80576, 100720, 133454, 161152, 201440, 266908, 322304, 333635, 402880, 533816, 667270, 805760, 1067632, 1334540, 1611520, 2135264, 2669080, 4270528, 5338160, 8541056, 10676320, 17082112, 21352640, 42705280, 85410560]

約数ペア:

[(1, 85410560), (2, 42705280), (4, 21352640), (5, 17082112), (8, 10676320), (10, 8541056), (16, 5338160), (20, 4270528), (32, 2669080), (40, 2135264), (53, 1611520), (64, 1334540), (80, 1067632), (106, 805760), (128, 667270), (160, 533816), (212, 402880), (256, 333635), (265, 322304), (320, 266908), (424, 201440), (530, 161152), (640, 133454), (848, 100720), (1060, 80576), (1259, 67840), (1280, 66727), (1696, 50360), (2120, 40288), (2518, 33920), (3392, 25180), (4240, 20144), (5036, 16960), (6295, 13568), (6784, 12590), (8480, 10072)]