84735520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12917}}^1$

素因数の和:12973

約数の個数: 48

約数和(自身を含む): 205086168

約数和(自身を除く): 120350648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12917, 25834, 51668, 64585, 103336, 129170, 206672, 258340, 413344, 516680, 529597, 1033360, 1059194, 2066720, 2118388, 2647985, 4236776, 5295970, 8473552, 10591940, 16947104, 21183880, 42367760, 84735520]

約数ペア:

[(1, 84735520), (2, 42367760), (4, 21183880), (5, 16947104), (8, 10591940), (10, 8473552), (16, 5295970), (20, 4236776), (32, 2647985), (40, 2118388), (41, 2066720), (80, 1059194), (82, 1033360), (160, 529597), (164, 516680), (205, 413344), (328, 258340), (410, 206672), (656, 129170), (820, 103336), (1312, 64585), (1640, 51668), (3280, 25834), (6560, 12917)]