80491117100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2897}}^1\times {\mathrm{3517}}^1$

素因数の和:6507

約数の個数: 72

約数和(自身を含む): 176988047040

約数和(自身を除く): 96496929940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2897, 3517, 3950, 5794, 7034, 7900, 11588, 14068, 14485, 17585, 28970, 35170, 57940, 70340, 72425, 87925, 144850, 175850, 228863, 277843, 289700, 351700, 457726, 555686, 915452, 1111372, 1144315, 1389215, 2288630, 2778430, 4577260, 5556860, 5721575, 6946075, 10188749, 11443150, 13892150, 20377498, 22886300, 27784300, 40754996, 50943745, 101887490, 203774980, 254718725, 509437450, 804911171, 1018874900, 1609822342, 3219644684, 4024555855, 8049111710, 16098223420, 20122779275, 40245558550, 80491117100]

約数ペア:

[(1, 80491117100), (2, 40245558550), (4, 20122779275), (5, 16098223420), (10, 8049111710), (20, 4024555855), (25, 3219644684), (50, 1609822342), (79, 1018874900), (100, 804911171), (158, 509437450), (316, 254718725), (395, 203774980), (790, 101887490), (1580, 50943745), (1975, 40754996), (2897, 27784300), (3517, 22886300), (3950, 20377498), (5794, 13892150), (7034, 11443150), (7900, 10188749), (11588, 6946075), (14068, 5721575), (14485, 5556860), (17585, 4577260), (28970, 2778430), (35170, 2288630), (57940, 1389215), (70340, 1144315), (72425, 1111372), (87925, 915452), (144850, 555686), (175850, 457726), (228863, 351700), (277843, 289700)]