39837880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 94413600

約数和(自身を除く): 54575720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 563, 580, 610, 1126, 1160, 1220, 1769, 2252, 2440, 2815, 3538, 4504, 5630, 7076, 8845, 11260, 14152, 16327, 17690, 22520, 32654, 34343, 35380, 65308, 68686, 70760, 81635, 130616, 137372, 163270, 171715, 274744, 326540, 343430, 653080, 686860, 995947, 1373720, 1991894, 3983788, 4979735, 7967576, 9959470, 19918940, 39837880]

約数ペア:

[(1, 39837880), (2, 19918940), (4, 9959470), (5, 7967576), (8, 4979735), (10, 3983788), (20, 1991894), (29, 1373720), (40, 995947), (58, 686860), (61, 653080), (116, 343430), (122, 326540), (145, 274744), (232, 171715), (244, 163270), (290, 137372), (305, 130616), (488, 81635), (563, 70760), (580, 68686), (610, 65308), (1126, 35380), (1160, 34343), (1220, 32654), (1769, 22520), (2252, 17690), (2440, 16327), (2815, 14152), (3538, 11260), (4504, 8845), (5630, 7076)]