25672040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 64411200

約数和(自身を除く): 38739160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 1987, 2584, 3230, 3974, 6460, 7948, 9935, 12920, 15896, 19870, 33779, 37753, 39740, 67558, 75506, 79480, 135116, 151012, 168895, 188765, 270232, 302024, 337790, 377530, 641801, 675580, 755060, 1283602, 1351160, 1510120, 2567204, 3209005, 5134408, 6418010, 12836020, 25672040]

約数ペア:

[(1, 25672040), (2, 12836020), (4, 6418010), (5, 5134408), (8, 3209005), (10, 2567204), (17, 1510120), (19, 1351160), (20, 1283602), (34, 755060), (38, 675580), (40, 641801), (68, 377530), (76, 337790), (85, 302024), (95, 270232), (136, 188765), (152, 168895), (170, 151012), (190, 135116), (323, 79480), (340, 75506), (380, 67558), (646, 39740), (680, 37753), (760, 33779), (1292, 19870), (1615, 15896), (1987, 12920), (2584, 9935), (3230, 7948), (3974, 6460)]