99281720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{46831}}^1$

素因数の和:46895

約数の個数: 32

約数和(自身を含む): 227603520

約数和(自身を除く): 128321800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 46831, 93662, 187324, 234155, 374648, 468310, 936620, 1873240, 2482043, 4964086, 9928172, 12410215, 19856344, 24820430, 49640860, 99281720]

約数ペア:

[(1, 99281720), (2, 49640860), (4, 24820430), (5, 19856344), (8, 12410215), (10, 9928172), (20, 4964086), (40, 2482043), (53, 1873240), (106, 936620), (212, 468310), (265, 374648), (424, 234155), (530, 187324), (1060, 93662), (2120, 46831)]