202415980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{778523}}^1$

素因数の和:778545

約数の個数: 24

約数和(自身を含む): 457772112

約数和(自身を除く): 255356132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 778523, 1557046, 3114092, 3892615, 7785230, 10120799, 15570460, 20241598, 40483196, 50603995, 101207990, 202415980]

約数ペア:

[(1, 202415980), (2, 101207990), (4, 50603995), (5, 40483196), (10, 20241598), (13, 15570460), (20, 10120799), (26, 7785230), (52, 3892615), (65, 3114092), (130, 1557046), (260, 778523)]