55517320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{373}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 127335780

約数和(自身を除く): 71818460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 373, 488, 610, 746, 1220, 1492, 1865, 2440, 2984, 3721, 3730, 7442, 7460, 14884, 14920, 18605, 22753, 29768, 37210, 45506, 74420, 91012, 113765, 148840, 182024, 227530, 455060, 910120, 1387933, 2775866, 5551732, 6939665, 11103464, 13879330, 27758660, 55517320]

約数ペア:

[(1, 55517320), (2, 27758660), (4, 13879330), (5, 11103464), (8, 6939665), (10, 5551732), (20, 2775866), (40, 1387933), (61, 910120), (122, 455060), (244, 227530), (305, 182024), (373, 148840), (488, 113765), (610, 91012), (746, 74420), (1220, 45506), (1492, 37210), (1865, 29768), (2440, 22753), (2984, 18605), (3721, 14920), (3730, 14884), (7442, 7460)]