26982280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 68846400

約数和(自身を除く): 41864120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 2731, 4940, 5462, 9880, 10924, 13655, 21848, 27310, 35503, 51889, 54620, 71006, 103778, 109240, 142012, 177515, 207556, 259445, 284024, 355030, 415112, 518890, 674557, 710060, 1037780, 1349114, 1420120, 2075560, 2698228, 3372785, 5396456, 6745570, 13491140, 26982280]

約数ペア:

[(1, 26982280), (2, 13491140), (4, 6745570), (5, 5396456), (8, 3372785), (10, 2698228), (13, 2075560), (19, 1420120), (20, 1349114), (26, 1037780), (38, 710060), (40, 674557), (52, 518890), (65, 415112), (76, 355030), (95, 284024), (104, 259445), (130, 207556), (152, 177515), (190, 142012), (247, 109240), (260, 103778), (380, 71006), (494, 54620), (520, 51889), (760, 35503), (988, 27310), (1235, 21848), (1976, 13655), (2470, 10924), (2731, 9880), (4940, 5462)]