64943180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 144577440

約数和(自身を除く): 79634260

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 2731, 4756, 5462, 5945, 10924, 11890, 13655, 23780, 27310, 54620, 79199, 111971, 158398, 223942, 316796, 395995, 447884, 559855, 791990, 1119710, 1583980, 2239420, 3247159, 6494318, 12988636, 16235795, 32471590, 64943180]

約数ペア:

[(1, 64943180), (2, 32471590), (4, 16235795), (5, 12988636), (10, 6494318), (20, 3247159), (29, 2239420), (41, 1583980), (58, 1119710), (82, 791990), (116, 559855), (145, 447884), (164, 395995), (205, 316796), (290, 223942), (410, 158398), (580, 111971), (820, 79199), (1189, 54620), (2378, 27310), (2731, 23780), (4756, 13655), (5462, 11890), (5945, 10924)]