12958741520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1\times {\mathrm{5483}}^1$

素因数の和:6480

約数の個数: 80

約数和(自身を含む): 31139292672

約数和(自身を除く): 18180551152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 953, 1240, 1906, 2480, 3812, 4765, 5483, 7624, 9530, 10966, 15248, 19060, 21932, 27415, 29543, 38120, 43864, 54830, 59086, 76240, 87728, 109660, 118172, 147715, 169973, 219320, 236344, 295430, 339946, 438640, 472688, 590860, 679892, 849865, 1181720, 1359784, 1699730, 2363440, 2719568, 3399460, 5225299, 6798920, 10450598, 13597840, 20901196, 26126495, 41802392, 52252990, 83604784, 104505980, 161984269, 209011960, 323968538, 418023920, 647937076, 809921345, 1295874152, 1619842690, 2591748304, 3239685380, 6479370760, 12958741520]

約数ペア:

[(1, 12958741520), (2, 6479370760), (4, 3239685380), (5, 2591748304), (8, 1619842690), (10, 1295874152), (16, 809921345), (20, 647937076), (31, 418023920), (40, 323968538), (62, 209011960), (80, 161984269), (124, 104505980), (155, 83604784), (248, 52252990), (310, 41802392), (496, 26126495), (620, 20901196), (953, 13597840), (1240, 10450598), (1906, 6798920), (2480, 5225299), (3812, 3399460), (4765, 2719568), (5483, 2363440), (7624, 1699730), (9530, 1359784), (10966, 1181720), (15248, 849865), (19060, 679892), (21932, 590860), (27415, 472688), (29543, 438640), (38120, 339946), (43864, 295430), (54830, 236344), (59086, 219320), (76240, 169973), (87728, 147715), (109660, 118172)]