161549840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49253}}^1$

素因数の和:49307

約数の個数: 40

約数和(自身を含む): 384772248

約数和(自身を除く): 223222408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 49253, 98506, 197012, 246265, 394024, 492530, 788048, 985060, 1970120, 2019373, 3940240, 4038746, 8077492, 10096865, 16154984, 20193730, 32309968, 40387460, 80774920, 161549840]

約数ペア:

[(1, 161549840), (2, 80774920), (4, 40387460), (5, 32309968), (8, 20193730), (10, 16154984), (16, 10096865), (20, 8077492), (40, 4038746), (41, 3940240), (80, 2019373), (82, 1970120), (164, 985060), (205, 788048), (328, 492530), (410, 394024), (656, 246265), (820, 197012), (1640, 98506), (3280, 49253)]