40386880

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2147

約数の個数: 56

約数和(自身を含む): 97795080

約数和(自身を除く): 57408200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2069, 2440, 3904, 4138, 4880, 8276, 9760, 10345, 16552, 19520, 20690, 33104, 41380, 66208, 82760, 126209, 132416, 165520, 252418, 331040, 504836, 631045, 662080, 1009672, 1262090, 2019344, 2524180, 4038688, 5048360, 8077376, 10096720, 20193440, 40386880]

約数ペア:

[(1, 40386880), (2, 20193440), (4, 10096720), (5, 8077376), (8, 5048360), (10, 4038688), (16, 2524180), (20, 2019344), (32, 1262090), (40, 1009672), (61, 662080), (64, 631045), (80, 504836), (122, 331040), (160, 252418), (244, 165520), (305, 132416), (320, 126209), (488, 82760), (610, 66208), (976, 41380), (1220, 33104), (1952, 20690), (2069, 19520), (2440, 16552), (3904, 10345), (4138, 9760), (4880, 8276)]