5172040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 12418560

約数和(自身を除く): 7246520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 97, 124, 155, 172, 194, 215, 248, 310, 344, 388, 430, 485, 620, 776, 860, 970, 1240, 1333, 1720, 1940, 2666, 3007, 3880, 4171, 5332, 6014, 6665, 8342, 10664, 12028, 13330, 15035, 16684, 20855, 24056, 26660, 30070, 33368, 41710, 53320, 60140, 83420, 120280, 129301, 166840, 258602, 517204, 646505, 1034408, 1293010, 2586020, 5172040]

約数ペア:

[(1, 5172040), (2, 2586020), (4, 1293010), (5, 1034408), (8, 646505), (10, 517204), (20, 258602), (31, 166840), (40, 129301), (43, 120280), (62, 83420), (86, 60140), (97, 53320), (124, 41710), (155, 33368), (172, 30070), (194, 26660), (215, 24056), (248, 20855), (310, 16684), (344, 15035), (388, 13330), (430, 12028), (485, 10664), (620, 8342), (776, 6665), (860, 6014), (970, 5332), (1240, 4171), (1333, 3880), (1720, 3007), (1940, 2666)]