129920440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19219}}^1$

素因数の和:19256

約数の個数: 48

約数和(自身を含む): 316553400

約数和(自身を除く): 186632960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 19219, 38438, 76876, 96095, 153752, 192190, 249847, 384380, 499694, 768760, 999388, 1249235, 1998776, 2498470, 3248011, 4996940, 6496022, 9993880, 12992044, 16240055, 25984088, 32480110, 64960220, 129920440]

約数ペア:

[(1, 129920440), (2, 64960220), (4, 32480110), (5, 25984088), (8, 16240055), (10, 12992044), (13, 9993880), (20, 6496022), (26, 4996940), (40, 3248011), (52, 2498470), (65, 1998776), (104, 1249235), (130, 999388), (169, 768760), (260, 499694), (338, 384380), (520, 249847), (676, 192190), (845, 153752), (1352, 96095), (1690, 76876), (3380, 38438), (6760, 19219)]