64989340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5813}}^1$

素因数の和:5878

約数の個数: 48

約数和(自身を含む): 150419808

約数和(自身を除く): 85430468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 5813, 11180, 11626, 23252, 29065, 58130, 75569, 116260, 151138, 249959, 302276, 377845, 499918, 755690, 999836, 1249795, 1511380, 2499590, 3249467, 4999180, 6498934, 12997868, 16247335, 32494670, 64989340]

約数ペア:

[(1, 64989340), (2, 32494670), (4, 16247335), (5, 12997868), (10, 6498934), (13, 4999180), (20, 3249467), (26, 2499590), (43, 1511380), (52, 1249795), (65, 999836), (86, 755690), (130, 499918), (172, 377845), (215, 302276), (260, 249959), (430, 151138), (559, 116260), (860, 75569), (1118, 58130), (2236, 29065), (2795, 23252), (5590, 11626), (5813, 11180)]