201005440

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2619

約数の個数: 64

約数和(自身を含む): 484508160

約数和(自身を除く): 283502720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2473, 2540, 4064, 4946, 5080, 8128, 9892, 10160, 12365, 16256, 19784, 20320, 24730, 39568, 40640, 49460, 79136, 81280, 98920, 158272, 197840, 314071, 316544, 395680, 628142, 791360, 1256284, 1570355, 1582720, 2512568, 3140710, 5025136, 6281420, 10050272, 12562840, 20100544, 25125680, 40201088, 50251360, 100502720, 201005440]

約数ペア:

[(1, 201005440), (2, 100502720), (4, 50251360), (5, 40201088), (8, 25125680), (10, 20100544), (16, 12562840), (20, 10050272), (32, 6281420), (40, 5025136), (64, 3140710), (80, 2512568), (127, 1582720), (128, 1570355), (160, 1256284), (254, 791360), (320, 628142), (508, 395680), (635, 316544), (640, 314071), (1016, 197840), (1270, 158272), (2032, 98920), (2473, 81280), (2540, 79136), (4064, 49460), (4946, 40640), (5080, 39568), (8128, 24730), (9892, 20320), (10160, 19784), (12365, 16256)]