26395980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 81548544

約数和(自身を除く): 55152564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 787, 860, 1118, 1290, 1574, 1677, 2236, 2361, 2580, 2795, 3148, 3354, 3935, 4722, 5590, 6708, 7870, 8385, 9444, 10231, 11180, 11805, 15740, 16770, 20462, 23610, 30693, 33540, 33841, 40924, 47220, 51155, 61386, 67682, 101523, 102310, 122772, 135364, 153465, 169205, 203046, 204620, 306930, 338410, 406092, 439933, 507615, 613860, 676820, 879866, 1015230, 1319799, 1759732, 2030460, 2199665, 2639598, 4399330, 5279196, 6598995, 8798660, 13197990, 26395980]

約数ペア:

[(1, 26395980), (2, 13197990), (3, 8798660), (4, 6598995), (5, 5279196), (6, 4399330), (10, 2639598), (12, 2199665), (13, 2030460), (15, 1759732), (20, 1319799), (26, 1015230), (30, 879866), (39, 676820), (43, 613860), (52, 507615), (60, 439933), (65, 406092), (78, 338410), (86, 306930), (129, 204620), (130, 203046), (156, 169205), (172, 153465), (195, 135364), (215, 122772), (258, 102310), (260, 101523), (390, 67682), (430, 61386), (516, 51155), (559, 47220), (645, 40924), (780, 33841), (787, 33540), (860, 30693), (1118, 23610), (1290, 20462), (1574, 16770), (1677, 15740), (2236, 11805), (2361, 11180), (2580, 10231), (2795, 9444), (3148, 8385), (3354, 7870), (3935, 6708), (4722, 5590)]