2012508880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{22441}}^1$

素因数の和:22532

約数の個数: 80

約数和(自身を含む): 5009054400

約数和(自身を除く): 2996545520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 8968, 11210, 17936, 22420, 22441, 44840, 44882, 89680, 89764, 112205, 179528, 224410, 359056, 426379, 448820, 852758, 897640, 1324019, 1705516, 1795280, 2131895, 2648038, 3411032, 4263790, 5296076, 6620095, 6822064, 8527580, 10592152, 13240190, 17055160, 21184304, 25156361, 26480380, 34110320, 50312722, 52960760, 100625444, 105921520, 125781805, 201250888, 251563610, 402501776, 503127220, 1006254440, 2012508880]

約数ペア:

[(1, 2012508880), (2, 1006254440), (4, 503127220), (5, 402501776), (8, 251563610), (10, 201250888), (16, 125781805), (19, 105921520), (20, 100625444), (38, 52960760), (40, 50312722), (59, 34110320), (76, 26480380), (80, 25156361), (95, 21184304), (118, 17055160), (152, 13240190), (190, 10592152), (236, 8527580), (295, 6822064), (304, 6620095), (380, 5296076), (472, 4263790), (590, 3411032), (760, 2648038), (944, 2131895), (1121, 1795280), (1180, 1705516), (1520, 1324019), (2242, 897640), (2360, 852758), (4484, 448820), (4720, 426379), (5605, 359056), (8968, 224410), (11210, 179528), (17936, 112205), (22420, 89764), (22441, 89680), (44840, 44882)]