12602840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 28458000

約数和(自身を除く): 15855160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 619, 1018, 1238, 2036, 2476, 2545, 3095, 4072, 4952, 5090, 6190, 10180, 12380, 20360, 24760, 315071, 630142, 1260284, 1575355, 2520568, 3150710, 6301420, 12602840]

約数ペア:

[(1, 12602840), (2, 6301420), (4, 3150710), (5, 2520568), (8, 1575355), (10, 1260284), (20, 630142), (40, 315071), (509, 24760), (619, 20360), (1018, 12380), (1238, 10180), (2036, 6190), (2476, 5090), (2545, 4952), (3095, 4072)]