138922880

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1807

約数の個数: 64

約数和(自身を含む): 334849680

約数和(自身を除く): 195926800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 1048, 1310, 1657, 2096, 2620, 3314, 4192, 5240, 6628, 8285, 8384, 10480, 13256, 16570, 16768, 20960, 26512, 33140, 41920, 53024, 66280, 83840, 106048, 132560, 212096, 217067, 265120, 434134, 530240, 868268, 1060480, 1085335, 1736536, 2170670, 3473072, 4341340, 6946144, 8682680, 13892288, 17365360, 27784576, 34730720, 69461440, 138922880]

約数ペア:

[(1, 138922880), (2, 69461440), (4, 34730720), (5, 27784576), (8, 17365360), (10, 13892288), (16, 8682680), (20, 6946144), (32, 4341340), (40, 3473072), (64, 2170670), (80, 1736536), (128, 1085335), (131, 1060480), (160, 868268), (262, 530240), (320, 434134), (524, 265120), (640, 217067), (655, 212096), (1048, 132560), (1310, 106048), (1657, 83840), (2096, 66280), (2620, 53024), (3314, 41920), (4192, 33140), (5240, 26512), (6628, 20960), (8285, 16768), (8384, 16570), (10480, 13256)]