20162569960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{578719}}^1$

素因数の和:578810

約数の個数: 64

約数和(自身を含む): 49584729600

約数和(自身を除く): 29422159640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 34840, 578719, 1157438, 2314876, 2893595, 4629752, 5787190, 7523347, 11574380, 15046694, 23148760, 30093388, 37616735, 38774173, 60186776, 75233470, 77548346, 150466940, 155096692, 193870865, 300933880, 310193384, 387741730, 504064249, 775483460, 1008128498, 1550966920, 2016256996, 2520321245, 4032513992, 5040642490, 10081284980, 20162569960]

約数ペア:

[(1, 20162569960), (2, 10081284980), (4, 5040642490), (5, 4032513992), (8, 2520321245), (10, 2016256996), (13, 1550966920), (20, 1008128498), (26, 775483460), (40, 504064249), (52, 387741730), (65, 310193384), (67, 300933880), (104, 193870865), (130, 155096692), (134, 150466940), (260, 77548346), (268, 75233470), (335, 60186776), (520, 38774173), (536, 37616735), (670, 30093388), (871, 23148760), (1340, 15046694), (1742, 11574380), (2680, 7523347), (3484, 5787190), (4355, 4629752), (6968, 2893595), (8710, 2314876), (17420, 1157438), (34840, 578719)]