49780880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^2$

素因数の和:276

約数の個数: 60

約数和(自身を含む): 118814196

約数和(自身を除く): 69033316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 101, 122, 202, 244, 305, 404, 488, 505, 610, 808, 976, 1010, 1220, 1616, 2020, 2440, 4040, 4880, 6161, 8080, 10201, 12322, 20402, 24644, 30805, 40804, 49288, 51005, 61610, 81608, 98576, 102010, 123220, 163216, 204020, 246440, 408040, 492880, 622261, 816080, 1244522, 2489044, 3111305, 4978088, 6222610, 9956176, 12445220, 24890440, 49780880]

約数ペア:

[(1, 49780880), (2, 24890440), (4, 12445220), (5, 9956176), (8, 6222610), (10, 4978088), (16, 3111305), (20, 2489044), (40, 1244522), (61, 816080), (80, 622261), (101, 492880), (122, 408040), (202, 246440), (244, 204020), (305, 163216), (404, 123220), (488, 102010), (505, 98576), (610, 81608), (808, 61610), (976, 51005), (1010, 49288), (1220, 40804), (1616, 30805), (2020, 24644), (2440, 20402), (4040, 12322), (4880, 10201), (6161, 8080)]