26122640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 63518256

約数和(自身を除く): 37395616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 61, 80, 101, 106, 122, 202, 212, 244, 265, 305, 404, 424, 488, 505, 530, 610, 808, 848, 976, 1010, 1060, 1220, 1616, 2020, 2120, 2440, 3233, 4040, 4240, 4880, 5353, 6161, 6466, 8080, 10706, 12322, 12932, 16165, 21412, 24644, 25864, 26765, 30805, 32330, 42824, 49288, 51728, 53530, 61610, 64660, 85648, 98576, 107060, 123220, 129320, 214120, 246440, 258640, 326533, 428240, 492880, 653066, 1306132, 1632665, 2612264, 3265330, 5224528, 6530660, 13061320, 26122640]

約数ペア:

[(1, 26122640), (2, 13061320), (4, 6530660), (5, 5224528), (8, 3265330), (10, 2612264), (16, 1632665), (20, 1306132), (40, 653066), (53, 492880), (61, 428240), (80, 326533), (101, 258640), (106, 246440), (122, 214120), (202, 129320), (212, 123220), (244, 107060), (265, 98576), (305, 85648), (404, 64660), (424, 61610), (488, 53530), (505, 51728), (530, 49288), (610, 42824), (808, 32330), (848, 30805), (976, 26765), (1010, 25864), (1060, 24644), (1220, 21412), (1616, 16165), (2020, 12932), (2120, 12322), (2440, 10706), (3233, 8080), (4040, 6466), (4240, 6161), (4880, 5353)]