40091680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 100154880

約数和(自身を除く): 60063200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 80, 118, 124, 137, 155, 160, 236, 248, 274, 295, 310, 472, 496, 548, 590, 620, 685, 944, 992, 1096, 1180, 1240, 1370, 1829, 1888, 2192, 2360, 2480, 2740, 3658, 4247, 4384, 4720, 4960, 5480, 7316, 8083, 8494, 9145, 9440, 10960, 14632, 16166, 16988, 18290, 21235, 21920, 29264, 32332, 33976, 36580, 40415, 42470, 58528, 64664, 67952, 73160, 80830, 84940, 129328, 135904, 146320, 161660, 169880, 250573, 258656, 292640, 323320, 339760, 501146, 646640, 679520, 1002292, 1252865, 1293280, 2004584, 2505730, 4009168, 5011460, 8018336, 10022920, 20045840, 40091680]

約数ペア:

[(1, 40091680), (2, 20045840), (4, 10022920), (5, 8018336), (8, 5011460), (10, 4009168), (16, 2505730), (20, 2004584), (31, 1293280), (32, 1252865), (40, 1002292), (59, 679520), (62, 646640), (80, 501146), (118, 339760), (124, 323320), (137, 292640), (155, 258656), (160, 250573), (236, 169880), (248, 161660), (274, 146320), (295, 135904), (310, 129328), (472, 84940), (496, 80830), (548, 73160), (590, 67952), (620, 64664), (685, 58528), (944, 42470), (992, 40415), (1096, 36580), (1180, 33976), (1240, 32332), (1370, 29264), (1829, 21920), (1888, 21235), (2192, 18290), (2360, 16988), (2480, 16166), (2740, 14632), (3658, 10960), (4247, 9440), (4384, 9145), (4720, 8494), (4960, 8083), (5480, 7316)]