15663440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15061}}^1$

素因数の和:15087

約数の個数: 40

約数和(自身を含む): 39221448

約数和(自身を除く): 23558008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15061, 30122, 60244, 75305, 120488, 150610, 195793, 240976, 301220, 391586, 602440, 783172, 978965, 1204880, 1566344, 1957930, 3132688, 3915860, 7831720, 15663440]

約数ペア:

[(1, 15663440), (2, 7831720), (4, 3915860), (5, 3132688), (8, 1957930), (10, 1566344), (13, 1204880), (16, 978965), (20, 783172), (26, 602440), (40, 391586), (52, 301220), (65, 240976), (80, 195793), (104, 150610), (130, 120488), (208, 75305), (260, 60244), (520, 30122), (1040, 15061)]