2019751760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{21821}}^1$

素因数の和:21936

約数の個数: 80

約数和(自身を含む): 5114203920

約数和(自身を除く): 3094452160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2314, 3560, 4628, 5785, 7120, 9256, 11570, 18512, 21821, 23140, 43642, 46280, 87284, 92560, 109105, 174568, 218210, 283673, 349136, 436420, 567346, 872840, 1134692, 1418365, 1745680, 1942069, 2269384, 2836730, 3884138, 4538768, 5673460, 7768276, 9710345, 11346920, 15536552, 19420690, 22693840, 25246897, 31073104, 38841380, 50493794, 77682760, 100987588, 126234485, 155365520, 201975176, 252468970, 403950352, 504937940, 1009875880, 2019751760]

約数ペア:

[(1, 2019751760), (2, 1009875880), (4, 504937940), (5, 403950352), (8, 252468970), (10, 201975176), (13, 155365520), (16, 126234485), (20, 100987588), (26, 77682760), (40, 50493794), (52, 38841380), (65, 31073104), (80, 25246897), (89, 22693840), (104, 19420690), (130, 15536552), (178, 11346920), (208, 9710345), (260, 7768276), (356, 5673460), (445, 4538768), (520, 3884138), (712, 2836730), (890, 2269384), (1040, 1942069), (1157, 1745680), (1424, 1418365), (1780, 1134692), (2314, 872840), (3560, 567346), (4628, 436420), (5785, 349136), (7120, 283673), (9256, 218210), (11570, 174568), (18512, 109105), (21821, 92560), (23140, 87284), (43642, 46280)]