20199382160

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{599}}^1\times {\mathrm{1567}}^1$

素因数の和:2448

約数の個数: 80

約数和(自身を含む): 47246976000

約数和(自身を除く): 27047593840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 599, 1076, 1198, 1345, 1567, 2152, 2396, 2690, 2995, 3134, 4304, 4792, 5380, 5990, 6268, 7835, 9584, 10760, 11980, 12536, 15670, 21520, 23960, 25072, 31340, 47920, 62680, 125360, 161131, 322262, 421523, 644524, 805655, 843046, 938633, 1289048, 1611310, 1686092, 1877266, 2107615, 2578096, 3222620, 3372184, 3754532, 4215230, 4693165, 6445240, 6744368, 7509064, 8430460, 9386330, 12890480, 15018128, 16860920, 18772660, 33721840, 37545320, 75090640, 252492277, 504984554, 1009969108, 1262461385, 2019938216, 2524922770, 4039876432, 5049845540, 10099691080, 20199382160]

約数ペア:

[(1, 20199382160), (2, 10099691080), (4, 5049845540), (5, 4039876432), (8, 2524922770), (10, 2019938216), (16, 1262461385), (20, 1009969108), (40, 504984554), (80, 252492277), (269, 75090640), (538, 37545320), (599, 33721840), (1076, 18772660), (1198, 16860920), (1345, 15018128), (1567, 12890480), (2152, 9386330), (2396, 8430460), (2690, 7509064), (2995, 6744368), (3134, 6445240), (4304, 4693165), (4792, 4215230), (5380, 3754532), (5990, 3372184), (6268, 3222620), (7835, 2578096), (9584, 2107615), (10760, 1877266), (11980, 1686092), (12536, 1611310), (15670, 1289048), (21520, 938633), (23960, 843046), (25072, 805655), (31340, 644524), (47920, 421523), (62680, 322262), (125360, 161131)]