81804100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5081}}^1$

素因数の和:5125

約数の個数: 72

約数和(自身を含む): 211736448

約数和(自身を除く): 129932348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 5081, 8050, 10162, 16100, 20324, 25405, 35567, 50810, 71134, 101620, 116863, 127025, 142268, 177835, 233726, 254050, 355670, 467452, 508100, 584315, 711340, 818041, 889175, 1168630, 1636082, 1778350, 2337260, 2921575, 3272164, 3556700, 4090205, 5843150, 8180410, 11686300, 16360820, 20451025, 40902050, 81804100]

約数ペア:

[(1, 81804100), (2, 40902050), (4, 20451025), (5, 16360820), (7, 11686300), (10, 8180410), (14, 5843150), (20, 4090205), (23, 3556700), (25, 3272164), (28, 2921575), (35, 2337260), (46, 1778350), (50, 1636082), (70, 1168630), (92, 889175), (100, 818041), (115, 711340), (140, 584315), (161, 508100), (175, 467452), (230, 355670), (322, 254050), (350, 233726), (460, 177835), (575, 142268), (644, 127025), (700, 116863), (805, 101620), (1150, 71134), (1610, 50810), (2300, 35567), (3220, 25405), (4025, 20324), (5081, 16100), (8050, 10162)]