31837000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 83865600

約数和(自身を除く): 52028600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 79, 100, 104, 124, 125, 130, 155, 158, 200, 248, 250, 260, 310, 316, 325, 395, 403, 500, 520, 620, 632, 650, 775, 790, 806, 1000, 1027, 1240, 1300, 1550, 1580, 1612, 1625, 1975, 2015, 2054, 2449, 2600, 3100, 3160, 3224, 3250, 3875, 3950, 4030, 4108, 4898, 5135, 6200, 6500, 7750, 7900, 8060, 8216, 9796, 9875, 10075, 10270, 12245, 13000, 15500, 15800, 16120, 19592, 19750, 20150, 20540, 24490, 25675, 31000, 31837, 39500, 40300, 41080, 48980, 50375, 51350, 61225, 63674, 79000, 80600, 97960, 100750, 102700, 122450, 127348, 128375, 159185, 201500, 205400, 244900, 254696, 256750, 306125, 318370, 403000, 489800, 513500, 612250, 636740, 795925, 1027000, 1224500, 1273480, 1591850, 2449000, 3183700, 3979625, 6367400, 7959250, 15918500, 31837000]

約数ペア:

[(1, 31837000), (2, 15918500), (4, 7959250), (5, 6367400), (8, 3979625), (10, 3183700), (13, 2449000), (20, 1591850), (25, 1273480), (26, 1224500), (31, 1027000), (40, 795925), (50, 636740), (52, 612250), (62, 513500), (65, 489800), (79, 403000), (100, 318370), (104, 306125), (124, 256750), (125, 254696), (130, 244900), (155, 205400), (158, 201500), (200, 159185), (248, 128375), (250, 127348), (260, 122450), (310, 102700), (316, 100750), (325, 97960), (395, 80600), (403, 79000), (500, 63674), (520, 61225), (620, 51350), (632, 50375), (650, 48980), (775, 41080), (790, 40300), (806, 39500), (1000, 31837), (1027, 31000), (1240, 25675), (1300, 24490), (1550, 20540), (1580, 20150), (1612, 19750), (1625, 19592), (1975, 16120), (2015, 15800), (2054, 15500), (2449, 13000), (2600, 12245), (3100, 10270), (3160, 10075), (3224, 9875), (3250, 9796), (3875, 8216), (3950, 8060), (4030, 7900), (4108, 7750), (4898, 6500), (5135, 6200)]