127584503840

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1\times {\mathrm{8161}}^1$

素因数の和:8866

約数の個数: 96

約数和(自身を含む): 303587222400

約数和(自身を除く): 176002718560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 491, 796, 982, 995, 1592, 1964, 1990, 2455, 3184, 3928, 3980, 4910, 6368, 7856, 7960, 8161, 9820, 15712, 15920, 16322, 19640, 31840, 32644, 39280, 40805, 65288, 78560, 81610, 97709, 130576, 163220, 195418, 261152, 326440, 390836, 488545, 652880, 781672, 977090, 1305760, 1563344, 1624039, 1954180, 3126688, 3248078, 3908360, 4007051, 6496156, 7816720, 8014102, 8120195, 12992312, 15633440, 16028204, 16240390, 20035255, 25984624, 32056408, 32480780, 40070510, 51969248, 64112816, 64961560, 80141020, 128225632, 129923120, 160282040, 259846240, 320564080, 641128160, 797403149, 1594806298, 3189612596, 3987015745, 6379225192, 7974031490, 12758450384, 15948062980, 25516900768, 31896125960, 63792251920, 127584503840]

約数ペア:

[(1, 127584503840), (2, 63792251920), (4, 31896125960), (5, 25516900768), (8, 15948062980), (10, 12758450384), (16, 7974031490), (20, 6379225192), (32, 3987015745), (40, 3189612596), (80, 1594806298), (160, 797403149), (199, 641128160), (398, 320564080), (491, 259846240), (796, 160282040), (982, 129923120), (995, 128225632), (1592, 80141020), (1964, 64961560), (1990, 64112816), (2455, 51969248), (3184, 40070510), (3928, 32480780), (3980, 32056408), (4910, 25984624), (6368, 20035255), (7856, 16240390), (7960, 16028204), (8161, 15633440), (9820, 12992312), (15712, 8120195), (15920, 8014102), (16322, 7816720), (19640, 6496156), (31840, 4007051), (32644, 3908360), (39280, 3248078), (40805, 3126688), (65288, 1954180), (78560, 1624039), (81610, 1563344), (97709, 1305760), (130576, 977090), (163220, 781672), (195418, 652880), (261152, 488545), (326440, 390836)]