13120960

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 31583376

約数和(自身を除く): 18462416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 313, 320, 524, 626, 655, 1048, 1252, 1310, 1565, 2096, 2504, 2620, 3130, 4192, 5008, 5240, 6260, 8384, 10016, 10480, 12520, 20032, 20960, 25040, 41003, 41920, 50080, 82006, 100160, 164012, 205015, 328024, 410030, 656048, 820060, 1312096, 1640120, 2624192, 3280240, 6560480, 13120960]

約数ペア:

[(1, 13120960), (2, 6560480), (4, 3280240), (5, 2624192), (8, 1640120), (10, 1312096), (16, 820060), (20, 656048), (32, 410030), (40, 328024), (64, 205015), (80, 164012), (131, 100160), (160, 82006), (262, 50080), (313, 41920), (320, 41003), (524, 25040), (626, 20960), (655, 20032), (1048, 12520), (1252, 10480), (1310, 10016), (1565, 8384), (2096, 6260), (2504, 5240), (2620, 5008), (3130, 4192)]