20173843400

素因数分解:

$2^3\times 5^2\times {\mathrm{3929}}^1\times {\mathrm{25673}}^1$

素因数の和:29618

約数の個数: 48

約数和(自身を含む): 46917951300

約数和(自身を除く): 26744107900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 3929, 7858, 15716, 19645, 25673, 31432, 39290, 51346, 78580, 98225, 102692, 128365, 157160, 196450, 205384, 256730, 392900, 513460, 641825, 785800, 1026920, 1283650, 2567300, 5134600, 100869217, 201738434, 403476868, 504346085, 806953736, 1008692170, 2017384340, 2521730425, 4034768680, 5043460850, 10086921700, 20173843400]

約数ペア:

[(1, 20173843400), (2, 10086921700), (4, 5043460850), (5, 4034768680), (8, 2521730425), (10, 2017384340), (20, 1008692170), (25, 806953736), (40, 504346085), (50, 403476868), (100, 201738434), (200, 100869217), (3929, 5134600), (7858, 2567300), (15716, 1283650), (19645, 1026920), (25673, 785800), (31432, 641825), (39290, 513460), (51346, 392900), (78580, 256730), (98225, 205384), (102692, 196450), (128365, 157160)]