31860140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{433}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 72474528

約数和(自身を除く): 40614388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 433, 566, 866, 1132, 1415, 1732, 2165, 2830, 3679, 4330, 5629, 5660, 7358, 8660, 11258, 14716, 18395, 22516, 28145, 36790, 56290, 73580, 112580, 122539, 245078, 490156, 612695, 1225390, 1593007, 2450780, 3186014, 6372028, 7965035, 15930070, 31860140]

約数ペア:

[(1, 31860140), (2, 15930070), (4, 7965035), (5, 6372028), (10, 3186014), (13, 2450780), (20, 1593007), (26, 1225390), (52, 612695), (65, 490156), (130, 245078), (260, 122539), (283, 112580), (433, 73580), (566, 56290), (866, 36790), (1132, 28145), (1415, 22516), (1732, 18395), (2165, 14716), (2830, 11258), (3679, 8660), (4330, 7358), (5629, 5660)]