13219540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 16718060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 659, 1003, 1180, 1318, 2006, 2636, 3295, 4012, 5015, 6590, 10030, 11203, 13180, 20060, 22406, 38881, 44812, 56015, 77762, 112030, 155524, 194405, 224060, 388810, 660977, 777620, 1321954, 2643908, 3304885, 6609770, 13219540]

約数ペア:

[(1, 13219540), (2, 6609770), (4, 3304885), (5, 2643908), (10, 1321954), (17, 777620), (20, 660977), (34, 388810), (59, 224060), (68, 194405), (85, 155524), (118, 112030), (170, 77762), (236, 56015), (295, 44812), (340, 38881), (590, 22406), (659, 20060), (1003, 13180), (1180, 11203), (1318, 10030), (2006, 6590), (2636, 5015), (3295, 4012)]