48502480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 122648400

約数和(自身を除く): 74145920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 313, 520, 596, 626, 745, 1040, 1192, 1252, 1490, 1565, 1937, 2384, 2504, 2980, 3130, 3874, 4069, 5008, 5960, 6260, 7748, 8138, 9685, 11920, 12520, 15496, 16276, 19370, 20345, 25040, 30992, 32552, 38740, 40690, 46637, 65104, 77480, 81380, 93274, 154960, 162760, 186548, 233185, 325520, 373096, 466370, 606281, 746192, 932740, 1212562, 1865480, 2425124, 3031405, 3730960, 4850248, 6062810, 9700496, 12125620, 24251240, 48502480]

約数ペア:

[(1, 48502480), (2, 24251240), (4, 12125620), (5, 9700496), (8, 6062810), (10, 4850248), (13, 3730960), (16, 3031405), (20, 2425124), (26, 1865480), (40, 1212562), (52, 932740), (65, 746192), (80, 606281), (104, 466370), (130, 373096), (149, 325520), (208, 233185), (260, 186548), (298, 162760), (313, 154960), (520, 93274), (596, 81380), (626, 77480), (745, 65104), (1040, 46637), (1192, 40690), (1252, 38740), (1490, 32552), (1565, 30992), (1937, 25040), (2384, 20345), (2504, 19370), (2980, 16276), (3130, 15496), (3874, 12520), (4069, 11920), (5008, 9685), (5960, 8138), (6260, 7748)]