20165052400

素因数分解:

$2^4\times 5^2\times {\mathrm{3877}}^1\times {\mathrm{13003}}^1$

素因数の和:16898

約数の個数: 60

約数和(自身を含む): 48462761032

約数和(自身を除く): 28297708632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3877, 7754, 13003, 15508, 19385, 26006, 31016, 38770, 52012, 62032, 65015, 77540, 96925, 104024, 130030, 155080, 193850, 208048, 260060, 310160, 325075, 387700, 520120, 650150, 775400, 1040240, 1300300, 1550800, 2600600, 5201200, 50412631, 100825262, 201650524, 252063155, 403301048, 504126310, 806602096, 1008252620, 1260315775, 2016505240, 2520631550, 4033010480, 5041263100, 10082526200, 20165052400]

約数ペア:

[(1, 20165052400), (2, 10082526200), (4, 5041263100), (5, 4033010480), (8, 2520631550), (10, 2016505240), (16, 1260315775), (20, 1008252620), (25, 806602096), (40, 504126310), (50, 403301048), (80, 252063155), (100, 201650524), (200, 100825262), (400, 50412631), (3877, 5201200), (7754, 2600600), (13003, 1550800), (15508, 1300300), (19385, 1040240), (26006, 775400), (31016, 650150), (38770, 520120), (52012, 387700), (62032, 325075), (65015, 310160), (77540, 260060), (96925, 208048), (104024, 193850), (130030, 155080)]