8636420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 19897920

約数和(自身を除く): 11261500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 563, 590, 767, 1126, 1180, 1534, 2252, 2815, 3068, 3835, 5630, 7319, 7670, 11260, 14638, 15340, 29276, 33217, 36595, 66434, 73190, 132868, 146380, 166085, 332170, 431821, 664340, 863642, 1727284, 2159105, 4318210, 8636420]

約数ペア:

[(1, 8636420), (2, 4318210), (4, 2159105), (5, 1727284), (10, 863642), (13, 664340), (20, 431821), (26, 332170), (52, 166085), (59, 146380), (65, 132868), (118, 73190), (130, 66434), (236, 36595), (260, 33217), (295, 29276), (563, 15340), (590, 14638), (767, 11260), (1126, 7670), (1180, 7319), (1534, 5630), (2252, 3835), (2815, 3068)]