20136660700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499669}}^1$

素因数の和:499727

約数の個数: 72

約数和(自身を含む): 48575918720

約数和(自身を除く): 28439258020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 8060, 10075, 20150, 40300, 499669, 999338, 1998676, 2498345, 4996690, 6495697, 9993380, 12491725, 12991394, 15489739, 24983450, 25982788, 30979478, 32478485, 49966900, 61958956, 64956970, 77448695, 129913940, 154897390, 162392425, 201366607, 309794780, 324784850, 387243475, 402733214, 649569700, 774486950, 805466428, 1006833035, 1548973900, 2013666070, 4027332140, 5034165175, 10068330350, 20136660700]

約数ペア:

[(1, 20136660700), (2, 10068330350), (4, 5034165175), (5, 4027332140), (10, 2013666070), (13, 1548973900), (20, 1006833035), (25, 805466428), (26, 774486950), (31, 649569700), (50, 402733214), (52, 387243475), (62, 324784850), (65, 309794780), (100, 201366607), (124, 162392425), (130, 154897390), (155, 129913940), (260, 77448695), (310, 64956970), (325, 61958956), (403, 49966900), (620, 32478485), (650, 30979478), (775, 25982788), (806, 24983450), (1300, 15489739), (1550, 12991394), (1612, 12491725), (2015, 9993380), (3100, 6495697), (4030, 4996690), (8060, 2498345), (10075, 1998676), (20150, 999338), (40300, 499669)]