66539320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{44959}}^1$

素因数の和:45007

約数の個数: 32

約数和(自身を含む): 153763200

約数和(自身を除く): 87223880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 44959, 89918, 179836, 224795, 359672, 449590, 899180, 1663483, 1798360, 3326966, 6653932, 8317415, 13307864, 16634830, 33269660, 66539320]

約数ペア:

[(1, 66539320), (2, 33269660), (4, 16634830), (5, 13307864), (8, 8317415), (10, 6653932), (20, 3326966), (37, 1798360), (40, 1663483), (74, 899180), (148, 449590), (185, 359672), (296, 224795), (370, 179836), (740, 89918), (1480, 44959)]