40128452

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15749}}^1$

素因数の和:15780

約数の個数: 36

約数和(自身を含む): 87979500

約数和(自身を除く): 47851048

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 15749, 31498, 62996, 110243, 204737, 220486, 409474, 440972, 771701, 818948, 1433159, 1543402, 2866318, 3086804, 5732636, 10032113, 20064226, 40128452]

約数ペア:

[(1, 40128452), (2, 20064226), (4, 10032113), (7, 5732636), (13, 3086804), (14, 2866318), (26, 1543402), (28, 1433159), (49, 818948), (52, 771701), (91, 440972), (98, 409474), (182, 220486), (196, 204737), (364, 110243), (637, 62996), (1274, 31498), (2548, 15749)]