57103720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4561}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 128922120

約数和(自身を除く): 71818400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 4561, 6260, 9122, 12520, 18244, 22805, 36488, 45610, 91220, 182440, 1427593, 2855186, 5710372, 7137965, 11420744, 14275930, 28551860, 57103720]

約数ペア:

[(1, 57103720), (2, 28551860), (4, 14275930), (5, 11420744), (8, 7137965), (10, 5710372), (20, 2855186), (40, 1427593), (313, 182440), (626, 91220), (1252, 45610), (1565, 36488), (2504, 22805), (3130, 18244), (4561, 12520), (6260, 9122)]