64393420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35381}}^1$

素因数の和:35410

約数の個数: 48

約数和(自身を含む): 166436928

約数和(自身を除く): 102043508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 35381, 70762, 141524, 176905, 247667, 353810, 459953, 495334, 707620, 919906, 990668, 1238335, 1839812, 2299765, 2476670, 3219671, 4599530, 4953340, 6439342, 9199060, 12878684, 16098355, 32196710, 64393420]

約数ペア:

[(1, 64393420), (2, 32196710), (4, 16098355), (5, 12878684), (7, 9199060), (10, 6439342), (13, 4953340), (14, 4599530), (20, 3219671), (26, 2476670), (28, 2299765), (35, 1839812), (52, 1238335), (65, 990668), (70, 919906), (91, 707620), (130, 495334), (140, 459953), (182, 353810), (260, 247667), (364, 176905), (455, 141524), (910, 70762), (1820, 35381)]