5212840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^4$

素因数の和:87

約数の個数: 40

約数和(自身を含む): 12380490

約数和(自身を除く): 7167650

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6859, 7220, 13718, 14440, 27436, 34295, 54872, 68590, 130321, 137180, 260642, 274360, 521284, 651605, 1042568, 1303210, 2606420, 5212840]

約数ペア:

[(1, 5212840), (2, 2606420), (4, 1303210), (5, 1042568), (8, 651605), (10, 521284), (19, 274360), (20, 260642), (38, 137180), (40, 130321), (76, 68590), (95, 54872), (152, 34295), (190, 27436), (361, 14440), (380, 13718), (722, 7220), (760, 6859), (1444, 3610), (1805, 2888)]