66778280

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3319}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 150595200

約数和(自身を除く): 83816920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 3319, 4024, 5030, 6638, 10060, 13276, 16595, 20120, 26552, 33190, 66380, 132760, 1669457, 3338914, 6677828, 8347285, 13355656, 16694570, 33389140, 66778280]

約数ペア:

[(1, 66778280), (2, 33389140), (4, 16694570), (5, 13355656), (8, 8347285), (10, 6677828), (20, 3338914), (40, 1669457), (503, 132760), (1006, 66380), (2012, 33190), (2515, 26552), (3319, 20120), (4024, 16595), (5030, 13276), (6638, 10060)]