3988140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 12028128

約数和(自身を除く): 8039988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5113, 10226, 15339, 20452, 25565, 30678, 51130, 61356, 66469, 76695, 102260, 132938, 153390, 199407, 265876, 306780, 332345, 398814, 664690, 797628, 997035, 1329380, 1994070, 3988140]

約数ペア:

[(1, 3988140), (2, 1994070), (3, 1329380), (4, 997035), (5, 797628), (6, 664690), (10, 398814), (12, 332345), (13, 306780), (15, 265876), (20, 199407), (26, 153390), (30, 132938), (39, 102260), (52, 76695), (60, 66469), (65, 61356), (78, 51130), (130, 30678), (156, 25565), (195, 20452), (260, 15339), (390, 10226), (780, 5113)]