15690920120

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{686993}}^1$

素因数の和:687575

約数の個数: 32

約数和(自身を含む): 35366451120

約数和(自身を除く): 19675531000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 11420, 22840, 686993, 1373986, 2747972, 3434965, 5495944, 6869930, 13739860, 27479720, 392273003, 784546006, 1569092012, 1961365015, 3138184024, 3922730030, 7845460060, 15690920120]

約数ペア:

[(1, 15690920120), (2, 7845460060), (4, 3922730030), (5, 3138184024), (8, 1961365015), (10, 1569092012), (20, 784546006), (40, 392273003), (571, 27479720), (1142, 13739860), (2284, 6869930), (2855, 5495944), (4568, 3434965), (5710, 2747972), (11420, 1373986), (22840, 686993)]