15991250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{1163}}^1$

素因数の和:1196

約数の個数: 40

約数和(自身を含む): 32727024

約数和(自身を除く): 16735774

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1163, 1250, 1375, 2326, 2750, 5815, 6875, 11630, 12793, 13750, 25586, 29075, 58150, 63965, 127930, 145375, 290750, 319825, 639650, 726875, 1453750, 1599125, 3198250, 7995625, 15991250]

約数ペア:

[(1, 15991250), (2, 7995625), (5, 3198250), (10, 1599125), (11, 1453750), (22, 726875), (25, 639650), (50, 319825), (55, 290750), (110, 145375), (125, 127930), (250, 63965), (275, 58150), (550, 29075), (625, 25586), (1163, 13750), (1250, 12793), (1375, 11630), (2326, 6875), (2750, 5815)]