39966561520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{90031}}^1$

素因数の和:90254

約数の個数: 80

約数和(自身を含む): 96456683520

約数和(自身を除く): 56490122000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 358, 496, 620, 716, 895, 1240, 1432, 1790, 2480, 2864, 3580, 5549, 7160, 11098, 14320, 22196, 27745, 44392, 55490, 88784, 90031, 110980, 180062, 221960, 360124, 443920, 450155, 720248, 900310, 1440496, 1800620, 2790961, 3601240, 5581922, 7202480, 11163844, 13954805, 16115549, 22327688, 27909610, 32231098, 44655376, 55819220, 64462196, 80577745, 111638440, 128924392, 161155490, 223276880, 257848784, 322310980, 499582019, 644621960, 999164038, 1289243920, 1998328076, 2497910095, 3996656152, 4995820190, 7993312304, 9991640380, 19983280760, 39966561520]

約数ペア:

[(1, 39966561520), (2, 19983280760), (4, 9991640380), (5, 7993312304), (8, 4995820190), (10, 3996656152), (16, 2497910095), (20, 1998328076), (31, 1289243920), (40, 999164038), (62, 644621960), (80, 499582019), (124, 322310980), (155, 257848784), (179, 223276880), (248, 161155490), (310, 128924392), (358, 111638440), (496, 80577745), (620, 64462196), (716, 55819220), (895, 44655376), (1240, 32231098), (1432, 27909610), (1790, 22327688), (2480, 16115549), (2864, 13954805), (3580, 11163844), (5549, 7202480), (7160, 5581922), (11098, 3601240), (14320, 2790961), (22196, 1800620), (27745, 1440496), (44392, 900310), (55490, 720248), (88784, 450155), (90031, 443920), (110980, 360124), (180062, 221960)]