19628750

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 40

約数和(自身を含む): 37787904

約数和(自身を除く): 18159154

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 383, 410, 625, 766, 1025, 1250, 1915, 2050, 3830, 5125, 9575, 10250, 15703, 19150, 25625, 31406, 47875, 51250, 78515, 95750, 157030, 239375, 392575, 478750, 785150, 1962875, 3925750, 9814375, 19628750]

約数ペア:

[(1, 19628750), (2, 9814375), (5, 3925750), (10, 1962875), (25, 785150), (41, 478750), (50, 392575), (82, 239375), (125, 157030), (205, 95750), (250, 78515), (383, 51250), (410, 47875), (625, 31406), (766, 25625), (1025, 19150), (1250, 15703), (1915, 10250), (2050, 9575), (3830, 5125)]