28713302500

素因数分解:

$2^2\times 5^4\times {\mathrm{3389}}^2$

素因数の和:6802

約数の個数: 45

約数和(自身を含む): 62808783037

約数和(自身を除く): 34095480537

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3389, 6778, 13556, 16945, 33890, 67780, 84725, 169450, 338900, 423625, 847250, 1694500, 2118125, 4236250, 8472500, 11485321, 22970642, 45941284, 57426605, 114853210, 229706420, 287133025, 574266050, 1148532100, 1435665125, 2871330250, 5742660500, 7178325625, 14356651250, 28713302500]

約数ペア:

[(1, 28713302500), (2, 14356651250), (4, 7178325625), (5, 5742660500), (10, 2871330250), (20, 1435665125), (25, 1148532100), (50, 574266050), (100, 287133025), (125, 229706420), (250, 114853210), (500, 57426605), (625, 45941284), (1250, 22970642), (2500, 11485321), (3389, 8472500), (6778, 4236250), (13556, 2118125), (16945, 1694500), (33890, 847250), (67780, 423625), (84725, 338900)]