130966940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16249}}^1$

素因数の和:16302

約数の個数: 48

約数和(自身を含む): 305760000

約数和(自身を除く): 174793060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 16249, 32498, 64996, 81245, 162490, 211237, 324980, 422474, 503719, 844948, 1007438, 1056185, 2014876, 2112370, 2518595, 4224740, 5037190, 6548347, 10074380, 13096694, 26193388, 32741735, 65483470, 130966940]

約数ペア:

[(1, 130966940), (2, 65483470), (4, 32741735), (5, 26193388), (10, 13096694), (13, 10074380), (20, 6548347), (26, 5037190), (31, 4224740), (52, 2518595), (62, 2112370), (65, 2014876), (124, 1056185), (130, 1007438), (155, 844948), (260, 503719), (310, 422474), (403, 324980), (620, 211237), (806, 162490), (1612, 81245), (2015, 64996), (4030, 32498), (8060, 16249)]