2013485960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1\times {\mathrm{1973}}^1$

素因数の和:2838

約数の個数: 64

約数和(自身を含む): 4684538880

約数和(自身を除く): 2671052920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 823, 1240, 1646, 1973, 3292, 3946, 4115, 6584, 7892, 8230, 9865, 15784, 16460, 19730, 25513, 32920, 39460, 51026, 61163, 78920, 102052, 122326, 127565, 204104, 244652, 255130, 305815, 489304, 510260, 611630, 1020520, 1223260, 1623779, 2446520, 3247558, 6495116, 8118895, 12990232, 16237790, 32475580, 50337149, 64951160, 100674298, 201348596, 251685745, 402697192, 503371490, 1006742980, 2013485960]

約数ペア:

[(1, 2013485960), (2, 1006742980), (4, 503371490), (5, 402697192), (8, 251685745), (10, 201348596), (20, 100674298), (31, 64951160), (40, 50337149), (62, 32475580), (124, 16237790), (155, 12990232), (248, 8118895), (310, 6495116), (620, 3247558), (823, 2446520), (1240, 1623779), (1646, 1223260), (1973, 1020520), (3292, 611630), (3946, 510260), (4115, 489304), (6584, 305815), (7892, 255130), (8230, 244652), (9865, 204104), (15784, 127565), (16460, 122326), (19730, 102052), (25513, 78920), (32920, 61163), (39460, 51026)]