24340220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 52871616

約数和(自身を除く): 28531396

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 281, 284, 305, 355, 562, 610, 710, 1124, 1220, 1405, 1420, 2810, 4331, 5620, 8662, 17141, 17324, 19951, 21655, 34282, 39902, 43310, 68564, 79804, 85705, 86620, 99755, 171410, 199510, 342820, 399020, 1217011, 2434022, 4868044, 6085055, 12170110, 24340220]

約数ペア:

[(1, 24340220), (2, 12170110), (4, 6085055), (5, 4868044), (10, 2434022), (20, 1217011), (61, 399020), (71, 342820), (122, 199510), (142, 171410), (244, 99755), (281, 86620), (284, 85705), (305, 79804), (355, 68564), (562, 43310), (610, 39902), (710, 34282), (1124, 21655), (1220, 19951), (1405, 17324), (1420, 17141), (2810, 8662), (4331, 5620)]