1649185280

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5701}}^1$

素因数の和:5837

約数の個数: 80

約数和(自身を含む): 3989871864

約数和(自身を除く): 2340686584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 512, 565, 640, 904, 1130, 1280, 1808, 2260, 2560, 3616, 4520, 5701, 7232, 9040, 11402, 14464, 18080, 22804, 28505, 28928, 36160, 45608, 57010, 57856, 72320, 91216, 114020, 144640, 182432, 228040, 289280, 364864, 456080, 644213, 729728, 912160, 1288426, 1459456, 1824320, 2576852, 2918912, 3221065, 3648640, 5153704, 6442130, 7297280, 10307408, 12884260, 14594560, 20614816, 25768520, 41229632, 51537040, 82459264, 103074080, 164918528, 206148160, 329837056, 412296320, 824592640, 1649185280]

約数ペア:

[(1, 1649185280), (2, 824592640), (4, 412296320), (5, 329837056), (8, 206148160), (10, 164918528), (16, 103074080), (20, 82459264), (32, 51537040), (40, 41229632), (64, 25768520), (80, 20614816), (113, 14594560), (128, 12884260), (160, 10307408), (226, 7297280), (256, 6442130), (320, 5153704), (452, 3648640), (512, 3221065), (565, 2918912), (640, 2576852), (904, 1824320), (1130, 1459456), (1280, 1288426), (1808, 912160), (2260, 729728), (2560, 644213), (3616, 456080), (4520, 364864), (5701, 289280), (7232, 228040), (9040, 182432), (11402, 144640), (14464, 114020), (18080, 91216), (22804, 72320), (28505, 57856), (28928, 57010), (36160, 45608)]