198057080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{380879}}^1$

素因数の和:380903

約数の個数: 32

約数和(自身を含む): 479908800

約数和(自身を除く): 281851720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 380879, 761758, 1523516, 1904395, 3047032, 3808790, 4951427, 7617580, 9902854, 15235160, 19805708, 24757135, 39611416, 49514270, 99028540, 198057080]

約数ペア:

[(1, 198057080), (2, 99028540), (4, 49514270), (5, 39611416), (8, 24757135), (10, 19805708), (13, 15235160), (20, 9902854), (26, 7617580), (40, 4951427), (52, 3808790), (65, 3047032), (104, 1904395), (130, 1523516), (260, 761758), (520, 380879)]