13468720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8861}}^1$

素因数の和:8893

約数の個数: 40

約数和(自身を含む): 32966640

約数和(自身を除く): 19497920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8861, 17722, 35444, 44305, 70888, 88610, 141776, 168359, 177220, 336718, 354440, 673436, 708880, 841795, 1346872, 1683590, 2693744, 3367180, 6734360, 13468720]

約数ペア:

[(1, 13468720), (2, 6734360), (4, 3367180), (5, 2693744), (8, 1683590), (10, 1346872), (16, 841795), (19, 708880), (20, 673436), (38, 354440), (40, 336718), (76, 177220), (80, 168359), (95, 141776), (152, 88610), (190, 70888), (304, 44305), (380, 35444), (760, 17722), (1520, 8861)]