13939471120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2856449}}^1$

素因数の和:2856523

約数の個数: 40

約数和(自身を含む): 32940581400

約数和(自身を除く): 19001110280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 2856449, 5712898, 11425796, 14282245, 22851592, 28564490, 45703184, 57128980, 114257960, 174243389, 228515920, 348486778, 696973556, 871216945, 1393947112, 1742433890, 2787894224, 3484867780, 6969735560, 13939471120]

約数ペア:

[(1, 13939471120), (2, 6969735560), (4, 3484867780), (5, 2787894224), (8, 1742433890), (10, 1393947112), (16, 871216945), (20, 696973556), (40, 348486778), (61, 228515920), (80, 174243389), (122, 114257960), (244, 57128980), (305, 45703184), (488, 28564490), (610, 22851592), (976, 14282245), (1220, 11425796), (2440, 5712898), (4880, 2856449)]