39810820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9173}}^1$

素因数の和:9220

約数の個数: 48

約数和(自身を含む): 98638848

約数和(自身を除く): 58828028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 9173, 18346, 36692, 45865, 64211, 91730, 128422, 183460, 256844, 284363, 321055, 568726, 642110, 1137452, 1284220, 1421815, 1990541, 2843630, 3981082, 5687260, 7962164, 9952705, 19905410, 39810820]

約数ペア:

[(1, 39810820), (2, 19905410), (4, 9952705), (5, 7962164), (7, 5687260), (10, 3981082), (14, 2843630), (20, 1990541), (28, 1421815), (31, 1284220), (35, 1137452), (62, 642110), (70, 568726), (124, 321055), (140, 284363), (155, 256844), (217, 183460), (310, 128422), (434, 91730), (620, 64211), (868, 45865), (1085, 36692), (2170, 18346), (4340, 9173)]