9877650040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1\times {\mathrm{2039}}^1$

素因数の和:2956

約数の個数: 64

約数和(自身を含む): 22402137600

約数和(自身を除く): 12524487560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 743, 815, 1304, 1486, 1630, 2039, 2972, 3260, 3715, 4078, 5944, 6520, 7430, 8156, 10195, 14860, 16312, 20390, 29720, 40780, 81560, 121109, 242218, 332357, 484436, 605545, 664714, 968872, 1211090, 1329428, 1514977, 1661785, 2422180, 2658856, 3029954, 3323570, 4844360, 6059908, 6647140, 7574885, 12119816, 13294280, 15149770, 30299540, 60599080, 246941251, 493882502, 987765004, 1234706255, 1975530008, 2469412510, 4938825020, 9877650040]

約数ペア:

[(1, 9877650040), (2, 4938825020), (4, 2469412510), (5, 1975530008), (8, 1234706255), (10, 987765004), (20, 493882502), (40, 246941251), (163, 60599080), (326, 30299540), (652, 15149770), (743, 13294280), (815, 12119816), (1304, 7574885), (1486, 6647140), (1630, 6059908), (2039, 4844360), (2972, 3323570), (3260, 3029954), (3715, 2658856), (4078, 2422180), (5944, 1661785), (6520, 1514977), (7430, 1329428), (8156, 1211090), (10195, 968872), (14860, 664714), (16312, 605545), (20390, 484436), (29720, 332357), (40780, 242218), (81560, 121109)]