259429840

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{4217}}^1$

素因数の和:4999

約数の個数: 40

約数和(自身を含む): 604101960

約数和(自身を除く): 344672120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 3076, 3845, 4217, 6152, 7690, 8434, 12304, 15380, 16868, 21085, 30760, 33736, 42170, 61520, 67472, 84340, 168680, 337360, 3242873, 6485746, 12971492, 16214365, 25942984, 32428730, 51885968, 64857460, 129714920, 259429840]

約数ペア:

[(1, 259429840), (2, 129714920), (4, 64857460), (5, 51885968), (8, 32428730), (10, 25942984), (16, 16214365), (20, 12971492), (40, 6485746), (80, 3242873), (769, 337360), (1538, 168680), (3076, 84340), (3845, 67472), (4217, 61520), (6152, 42170), (7690, 33736), (8434, 30760), (12304, 21085), (15380, 16868)]