40578070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10069}}^1$

素因数の和:10120

約数の個数: 32

約数和(自身を含む): 81204480

約数和(自身を除く): 40626410

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 10069, 20138, 50345, 100690, 130897, 261794, 312139, 624278, 654485, 1308970, 1560695, 3121390, 4057807, 8115614, 20289035, 40578070]

約数ペア:

[(1, 40578070), (2, 20289035), (5, 8115614), (10, 4057807), (13, 3121390), (26, 1560695), (31, 1308970), (62, 654485), (65, 624278), (130, 312139), (155, 261794), (310, 130897), (403, 100690), (806, 50345), (2015, 20138), (4030, 10069)]