2638069120

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{52177}}^1$

素因数の和:52275

約数の個数: 64

約数和(自身を含む): 6386587200

約数和(自身を除く): 3748518080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3160, 5056, 6320, 10112, 12640, 25280, 50560, 52177, 104354, 208708, 260885, 417416, 521770, 834832, 1043540, 1669664, 2087080, 3339328, 4121983, 4174160, 6678656, 8243966, 8348320, 16487932, 16696640, 20609915, 32975864, 33393280, 41219830, 65951728, 82439660, 131903456, 164879320, 263806912, 329758640, 527613824, 659517280, 1319034560, 2638069120]

約数ペア:

[(1, 2638069120), (2, 1319034560), (4, 659517280), (5, 527613824), (8, 329758640), (10, 263806912), (16, 164879320), (20, 131903456), (32, 82439660), (40, 65951728), (64, 41219830), (79, 33393280), (80, 32975864), (128, 20609915), (158, 16696640), (160, 16487932), (316, 8348320), (320, 8243966), (395, 6678656), (632, 4174160), (640, 4121983), (790, 3339328), (1264, 2087080), (1580, 1669664), (2528, 1043540), (3160, 834832), (5056, 521770), (6320, 417416), (10112, 260885), (12640, 208708), (25280, 104354), (50560, 52177)]