40279520

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4127}}^1$

素因数の和:4203

約数の個数: 48

約数和(自身を含む): 96743808

約数和(自身を除く): 56464288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4127, 4880, 8254, 9760, 16508, 20635, 33016, 41270, 66032, 82540, 132064, 165080, 251747, 330160, 503494, 660320, 1006988, 1258735, 2013976, 2517470, 4027952, 5034940, 8055904, 10069880, 20139760, 40279520]

約数ペア:

[(1, 40279520), (2, 20139760), (4, 10069880), (5, 8055904), (8, 5034940), (10, 4027952), (16, 2517470), (20, 2013976), (32, 1258735), (40, 1006988), (61, 660320), (80, 503494), (122, 330160), (160, 251747), (244, 165080), (305, 132064), (488, 82540), (610, 66032), (976, 41270), (1220, 33016), (1952, 20635), (2440, 16508), (4127, 9760), (4880, 8254)]