55505580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71161}}^1$

素因数の和:71186

約数の個数: 48

約数和(自身を含む): 167373024

約数和(自身を除く): 111867444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 71161, 142322, 213483, 284644, 355805, 426966, 711610, 853932, 925093, 1067415, 1423220, 1850186, 2134830, 2775279, 3700372, 4269660, 4625465, 5550558, 9250930, 11101116, 13876395, 18501860, 27752790, 55505580]

約数ペア:

[(1, 55505580), (2, 27752790), (3, 18501860), (4, 13876395), (5, 11101116), (6, 9250930), (10, 5550558), (12, 4625465), (13, 4269660), (15, 3700372), (20, 2775279), (26, 2134830), (30, 1850186), (39, 1423220), (52, 1067415), (60, 925093), (65, 853932), (78, 711610), (130, 426966), (156, 355805), (195, 284644), (260, 213483), (390, 142322), (780, 71161)]