40372592840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1\times {\mathrm{18859}}^1$

素因数の和:19470

約数の個数: 64

約数和(自身を含む): 91863288000

約数和(自身を除く): 51490695160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 491, 545, 872, 982, 1090, 1964, 2180, 2455, 3928, 4360, 4910, 9820, 18859, 19640, 37718, 53519, 75436, 94295, 107038, 150872, 188590, 214076, 267595, 377180, 428152, 535190, 754360, 1070380, 2055631, 2140760, 4111262, 8222524, 9259769, 10278155, 16445048, 18519538, 20556310, 37039076, 41112620, 46298845, 74078152, 82225240, 92597690, 185195380, 370390760, 1009314821, 2018629642, 4037259284, 5046574105, 8074518568, 10093148210, 20186296420, 40372592840]

約数ペア:

[(1, 40372592840), (2, 20186296420), (4, 10093148210), (5, 8074518568), (8, 5046574105), (10, 4037259284), (20, 2018629642), (40, 1009314821), (109, 370390760), (218, 185195380), (436, 92597690), (491, 82225240), (545, 74078152), (872, 46298845), (982, 41112620), (1090, 37039076), (1964, 20556310), (2180, 18519538), (2455, 16445048), (3928, 10278155), (4360, 9259769), (4910, 8222524), (9820, 4111262), (18859, 2140760), (19640, 2055631), (37718, 1070380), (53519, 754360), (75436, 535190), (94295, 428152), (107038, 377180), (150872, 267595), (188590, 214076)]