18440129375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41969}}^1$

素因数の和:42045

約数の個数: 40

約数和(自身を含む): 24911713200

約数和(自身を除く): 6471583825

約数列:

[1, 5, 19, 25, 37, 95, 125, 185, 475, 625, 703, 925, 2375, 3515, 4625, 11875, 17575, 23125, 41969, 87875, 209845, 439375, 797411, 1049225, 1552853, 3987055, 5246125, 7764265, 19935275, 26230625, 29504207, 38821325, 99676375, 147521035, 194106625, 498381875, 737605175, 970533125, 3688025875, 18440129375]

約数ペア:

[(1, 18440129375), (5, 3688025875), (19, 970533125), (25, 737605175), (37, 498381875), (95, 194106625), (125, 147521035), (185, 99676375), (475, 38821325), (625, 29504207), (703, 26230625), (925, 19935275), (2375, 7764265), (3515, 5246125), (4625, 3987055), (11875, 1552853), (17575, 1049225), (23125, 797411), (41969, 439375), (87875, 209845)]