80773420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44381}}^1$

素因数の和:44410

約数の個数: 48

約数和(自身を含む): 208772928

約数和(自身を除く): 127999508

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, 44381, 88762, 177524, 221905, 310667, 443810, 576953, 621334, 887620, 1153906, 1242668, 1553335, 2307812, 2884765, 3106670, 4038671, 5769530, 6213340, 8077342, 11539060, 16154684, 20193355, 40386710, 80773420]

約数ペア:

[(1, 80773420), (2, 40386710), (4, 20193355), (5, 16154684), (7, 11539060), (10, 8077342), (13, 6213340), (14, 5769530), (20, 4038671), (26, 3106670), (28, 2884765), (35, 2307812), (52, 1553335), (65, 1242668), (70, 1153906), (91, 887620), (130, 621334), (140, 576953), (182, 443810), (260, 310667), (364, 221905), (455, 177524), (910, 88762), (1820, 44381)]