40988950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 78878880

約数和(自身を除く): 37889930

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 151, 178, 302, 305, 445, 610, 755, 890, 1510, 1525, 2225, 3050, 3775, 4450, 5429, 7550, 9211, 10858, 13439, 18422, 26878, 27145, 46055, 54290, 67195, 92110, 134390, 135725, 230275, 271450, 335975, 460550, 671950, 819779, 1639558, 4098895, 8197790, 20494475, 40988950]

約数ペア:

[(1, 40988950), (2, 20494475), (5, 8197790), (10, 4098895), (25, 1639558), (50, 819779), (61, 671950), (89, 460550), (122, 335975), (151, 271450), (178, 230275), (302, 135725), (305, 134390), (445, 92110), (610, 67195), (755, 54290), (890, 46055), (1510, 27145), (1525, 26878), (2225, 18422), (3050, 13439), (3775, 10858), (4450, 9211), (5429, 7550)]