28977440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2969}}^1$

素因数の和:3045

約数の個数: 48

約数和(自身を含む): 69604920

約数和(自身を除く): 40627480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2969, 4880, 5938, 9760, 11876, 14845, 23752, 29690, 47504, 59380, 95008, 118760, 181109, 237520, 362218, 475040, 724436, 905545, 1448872, 1811090, 2897744, 3622180, 5795488, 7244360, 14488720, 28977440]

約数ペア:

[(1, 28977440), (2, 14488720), (4, 7244360), (5, 5795488), (8, 3622180), (10, 2897744), (16, 1811090), (20, 1448872), (32, 905545), (40, 724436), (61, 475040), (80, 362218), (122, 237520), (160, 181109), (244, 118760), (305, 95008), (488, 59380), (610, 47504), (976, 29690), (1220, 23752), (1952, 14845), (2440, 11876), (2969, 9760), (4880, 5938)]