51165440

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 124504128

約数和(自身を除く): 73338688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 563, 568, 640, 710, 1126, 1136, 1280, 1420, 2252, 2272, 2815, 2840, 4504, 4544, 5630, 5680, 9008, 9088, 11260, 11360, 18016, 18176, 22520, 22720, 36032, 39973, 45040, 45440, 72064, 79946, 90080, 90880, 144128, 159892, 180160, 199865, 319784, 360320, 399730, 639568, 720640, 799460, 1279136, 1598920, 2558272, 3197840, 5116544, 6395680, 10233088, 12791360, 25582720, 51165440]

約数ペア:

[(1, 51165440), (2, 25582720), (4, 12791360), (5, 10233088), (8, 6395680), (10, 5116544), (16, 3197840), (20, 2558272), (32, 1598920), (40, 1279136), (64, 799460), (71, 720640), (80, 639568), (128, 399730), (142, 360320), (160, 319784), (256, 199865), (284, 180160), (320, 159892), (355, 144128), (563, 90880), (568, 90080), (640, 79946), (710, 72064), (1126, 45440), (1136, 45040), (1280, 39973), (1420, 36032), (2252, 22720), (2272, 22520), (2815, 18176), (2840, 18016), (4504, 11360), (4544, 11260), (5630, 9088), (5680, 9008)]