216825440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104243}}^1$

素因数の和:104271

約数の個数: 48

約数和(自身を含む): 551659248

約数和(自身を除く): 334833808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 104243, 208486, 416972, 521215, 833944, 1042430, 1355159, 1667888, 2084860, 2710318, 3335776, 4169720, 5420636, 6775795, 8339440, 10841272, 13551590, 16678880, 21682544, 27103180, 43365088, 54206360, 108412720, 216825440]

約数ペア:

[(1, 216825440), (2, 108412720), (4, 54206360), (5, 43365088), (8, 27103180), (10, 21682544), (13, 16678880), (16, 13551590), (20, 10841272), (26, 8339440), (32, 6775795), (40, 5420636), (52, 4169720), (65, 3335776), (80, 2710318), (104, 2084860), (130, 1667888), (160, 1355159), (208, 1042430), (260, 833944), (416, 521215), (520, 416972), (1040, 208486), (2080, 104243)]