2040382640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{10247}}^1$

素因数の和:10410

約数の個数: 80

約数和(自身を含む): 5032177920

約数和(自身を除く): 2991795280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 524, 655, 760, 1048, 1310, 1520, 2096, 2489, 2620, 4978, 5240, 9956, 10247, 10480, 12445, 19912, 20494, 24890, 39824, 40988, 49780, 51235, 81976, 99560, 102470, 163952, 194693, 199120, 204940, 389386, 409880, 778772, 819760, 973465, 1342357, 1557544, 1946930, 2684714, 3115088, 3893860, 5369428, 6711785, 7787720, 10738856, 13423570, 15575440, 21477712, 25504783, 26847140, 51009566, 53694280, 102019132, 107388560, 127523915, 204038264, 255047830, 408076528, 510095660, 1020191320, 2040382640]

約数ペア:

[(1, 2040382640), (2, 1020191320), (4, 510095660), (5, 408076528), (8, 255047830), (10, 204038264), (16, 127523915), (19, 107388560), (20, 102019132), (38, 53694280), (40, 51009566), (76, 26847140), (80, 25504783), (95, 21477712), (131, 15575440), (152, 13423570), (190, 10738856), (262, 7787720), (304, 6711785), (380, 5369428), (524, 3893860), (655, 3115088), (760, 2684714), (1048, 1946930), (1310, 1557544), (1520, 1342357), (2096, 973465), (2489, 819760), (2620, 778772), (4978, 409880), (5240, 389386), (9956, 204940), (10247, 199120), (10480, 194693), (12445, 163952), (19912, 102470), (20494, 99560), (24890, 81976), (39824, 51235), (40988, 49780)]