77887420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299567}}^1$

素因数の和:299589

約数の個数: 24

約数和(自身を含む): 176145984

約数和(自身を除く): 98258564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299567, 599134, 1198268, 1497835, 2995670, 3894371, 5991340, 7788742, 15577484, 19471855, 38943710, 77887420]

約数ペア:

[(1, 77887420), (2, 38943710), (4, 19471855), (5, 15577484), (10, 7788742), (13, 5991340), (20, 3894371), (26, 2995670), (52, 1497835), (65, 1198268), (130, 599134), (260, 299567)]