164080240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33623}}^1$

素因数の和:33697

約数の個数: 40

約数和(自身を含む): 387751968

約数和(自身を除く): 223671728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 33623, 67246, 134492, 168115, 268984, 336230, 537968, 672460, 1344920, 2051003, 2689840, 4102006, 8204012, 10255015, 16408024, 20510030, 32816048, 41020060, 82040120, 164080240]

約数ペア:

[(1, 164080240), (2, 82040120), (4, 41020060), (5, 32816048), (8, 20510030), (10, 16408024), (16, 10255015), (20, 8204012), (40, 4102006), (61, 2689840), (80, 2051003), (122, 1344920), (244, 672460), (305, 537968), (488, 336230), (610, 268984), (976, 168115), (1220, 134492), (2440, 67246), (4880, 33623)]