4021280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 9747864

約数和(自身を除く): 5726584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 613, 656, 820, 1226, 1312, 1640, 2452, 3065, 3280, 4904, 6130, 6560, 9808, 12260, 19616, 24520, 25133, 49040, 50266, 98080, 100532, 125665, 201064, 251330, 402128, 502660, 804256, 1005320, 2010640, 4021280]

約数ペア:

[(1, 4021280), (2, 2010640), (4, 1005320), (5, 804256), (8, 502660), (10, 402128), (16, 251330), (20, 201064), (32, 125665), (40, 100532), (41, 98080), (80, 50266), (82, 49040), (160, 25133), (164, 24520), (205, 19616), (328, 12260), (410, 9808), (613, 6560), (656, 6130), (820, 4904), (1226, 3280), (1312, 3065), (1640, 2452)]