71731120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14699}}^1$

素因数の和:14773

約数の個数: 40

約数和(自身を含む): 169520400

約数和(自身を除く): 97789280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14699, 29398, 58796, 73495, 117592, 146990, 235184, 293980, 587960, 896639, 1175920, 1793278, 3586556, 4483195, 7173112, 8966390, 14346224, 17932780, 35865560, 71731120]

約数ペア:

[(1, 71731120), (2, 35865560), (4, 17932780), (5, 14346224), (8, 8966390), (10, 7173112), (16, 4483195), (20, 3586556), (40, 1793278), (61, 1175920), (80, 896639), (122, 587960), (244, 293980), (305, 235184), (488, 146990), (610, 117592), (976, 73495), (1220, 58796), (2440, 29398), (4880, 14699)]