201618880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33161}}^1$

素因数の和:33197

約数の個数: 56

約数和(自身を含む): 505388880

約数和(自身を除く): 303770000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 33161, 66322, 132644, 165805, 265288, 331610, 530576, 630059, 663220, 1061152, 1260118, 1326440, 2122304, 2520236, 2652880, 3150295, 5040472, 5305760, 6300590, 10080944, 10611520, 12601180, 20161888, 25202360, 40323776, 50404720, 100809440, 201618880]

約数ペア:

[(1, 201618880), (2, 100809440), (4, 50404720), (5, 40323776), (8, 25202360), (10, 20161888), (16, 12601180), (19, 10611520), (20, 10080944), (32, 6300590), (38, 5305760), (40, 5040472), (64, 3150295), (76, 2652880), (80, 2520236), (95, 2122304), (152, 1326440), (160, 1260118), (190, 1061152), (304, 663220), (320, 630059), (380, 530576), (608, 331610), (760, 265288), (1216, 165805), (1520, 132644), (3040, 66322), (6080, 33161)]