28853750

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:626

約数の個数: 40

約数和(自身を含む): 55500984

約数和(自身を除く): 26647234

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 563, 625, 1025, 1126, 1250, 2050, 2815, 5125, 5630, 10250, 14075, 23083, 25625, 28150, 46166, 51250, 70375, 115415, 140750, 230830, 351875, 577075, 703750, 1154150, 2885375, 5770750, 14426875, 28853750]

約数ペア:

[(1, 28853750), (2, 14426875), (5, 5770750), (10, 2885375), (25, 1154150), (41, 703750), (50, 577075), (82, 351875), (125, 230830), (205, 140750), (250, 115415), (410, 70375), (563, 51250), (625, 46166), (1025, 28150), (1126, 25625), (1250, 23083), (2050, 14075), (2815, 10250), (5125, 5630)]