64544740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 146962368

約数和(自身を除く): 82417628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1523, 1630, 2119, 3046, 3260, 4238, 6092, 7615, 8476, 10595, 15230, 19799, 21190, 30460, 39598, 42380, 79196, 98995, 197990, 248249, 395980, 496498, 992996, 1241245, 2482490, 3227237, 4964980, 6454474, 12908948, 16136185, 32272370, 64544740]

約数ペア:

[(1, 64544740), (2, 32272370), (4, 16136185), (5, 12908948), (10, 6454474), (13, 4964980), (20, 3227237), (26, 2482490), (52, 1241245), (65, 992996), (130, 496498), (163, 395980), (260, 248249), (326, 197990), (652, 98995), (815, 79196), (1523, 42380), (1630, 39598), (2119, 30460), (3046, 21190), (3260, 19799), (4238, 15230), (6092, 10595), (7615, 8476)]