404205440

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4973}}^1$

素因数の和:5119

約数の個数: 64

約数和(自身を含む): 974108160

約数和(自身を除く): 569902720

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, 2540, 4064, 4973, 5080, 8128, 9946, 10160, 16256, 19892, 20320, 24865, 39784, 40640, 49730, 79568, 81280, 99460, 159136, 198920, 318272, 397840, 631571, 636544, 795680, 1263142, 1591360, 2526284, 3157855, 3182720, 5052568, 6315710, 10105136, 12631420, 20210272, 25262840, 40420544, 50525680, 80841088, 101051360, 202102720, 404205440]

約数ペア:

[(1, 404205440), (2, 202102720), (4, 101051360), (5, 80841088), (8, 50525680), (10, 40420544), (16, 25262840), (20, 20210272), (32, 12631420), (40, 10105136), (64, 6315710), (80, 5052568), (127, 3182720), (128, 3157855), (160, 2526284), (254, 1591360), (320, 1263142), (508, 795680), (635, 636544), (640, 631571), (1016, 397840), (1270, 318272), (2032, 198920), (2540, 159136), (4064, 99460), (4973, 81280), (5080, 79568), (8128, 49730), (9946, 40640), (10160, 39784), (16256, 24865), (19892, 20320)]