7723820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 17790528

約数和(自身を除く): 10066708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 487, 610, 793, 974, 1220, 1586, 1948, 2435, 3172, 3965, 4870, 6331, 7930, 9740, 12662, 15860, 25324, 29707, 31655, 59414, 63310, 118828, 126620, 148535, 297070, 386191, 594140, 772382, 1544764, 1930955, 3861910, 7723820]

約数ペア:

[(1, 7723820), (2, 3861910), (4, 1930955), (5, 1544764), (10, 772382), (13, 594140), (20, 386191), (26, 297070), (52, 148535), (61, 126620), (65, 118828), (122, 63310), (130, 59414), (244, 31655), (260, 29707), (305, 25324), (487, 15860), (610, 12662), (793, 9740), (974, 7930), (1220, 6331), (1586, 4870), (1948, 3965), (2435, 3172)]