2000180240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{6947}}^1$

素因数の和:7080

約数の個数: 80

約数和(自身を含む): 4807460160

約数和(自身を除く): 2807279920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 944, 976, 1180, 1220, 2360, 2440, 3599, 4720, 4880, 6947, 7198, 13894, 14396, 17995, 27788, 28792, 34735, 35990, 55576, 57584, 69470, 71980, 111152, 138940, 143960, 277880, 287920, 409873, 423767, 555760, 819746, 847534, 1639492, 1695068, 2049365, 2118835, 3278984, 3390136, 4098730, 4237670, 6557968, 6780272, 8197460, 8475340, 16394920, 16950680, 25002253, 32789840, 33901360, 50004506, 100009012, 125011265, 200018024, 250022530, 400036048, 500045060, 1000090120, 2000180240]

約数ペア:

[(1, 2000180240), (2, 1000090120), (4, 500045060), (5, 400036048), (8, 250022530), (10, 200018024), (16, 125011265), (20, 100009012), (40, 50004506), (59, 33901360), (61, 32789840), (80, 25002253), (118, 16950680), (122, 16394920), (236, 8475340), (244, 8197460), (295, 6780272), (305, 6557968), (472, 4237670), (488, 4098730), (590, 3390136), (610, 3278984), (944, 2118835), (976, 2049365), (1180, 1695068), (1220, 1639492), (2360, 847534), (2440, 819746), (3599, 555760), (4720, 423767), (4880, 409873), (6947, 287920), (7198, 277880), (13894, 143960), (14396, 138940), (17995, 111152), (27788, 71980), (28792, 69470), (34735, 57584), (35990, 55576)]