38740780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 49741460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1367, 1417, 2180, 2734, 2834, 5468, 5668, 6835, 7085, 13670, 14170, 17771, 27340, 28340, 35542, 71084, 88855, 149003, 177710, 298006, 355420, 596012, 745015, 1490030, 1937039, 2980060, 3874078, 7748156, 9685195, 19370390, 38740780]

約数ペア:

[(1, 38740780), (2, 19370390), (4, 9685195), (5, 7748156), (10, 3874078), (13, 2980060), (20, 1937039), (26, 1490030), (52, 745015), (65, 596012), (109, 355420), (130, 298006), (218, 177710), (260, 149003), (436, 88855), (545, 71084), (1090, 35542), (1367, 28340), (1417, 27340), (2180, 17771), (2734, 14170), (2834, 13670), (5468, 7085), (5668, 6835)]