4145920

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 10301760

約数和(自身を除く): 6155840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 128, 158, 160, 164, 205, 256, 316, 320, 328, 395, 410, 632, 640, 656, 790, 820, 1264, 1280, 1312, 1580, 1640, 2528, 2624, 3160, 3239, 3280, 5056, 5248, 6320, 6478, 6560, 10112, 10496, 12640, 12956, 13120, 16195, 20224, 25280, 25912, 26240, 32390, 50560, 51824, 52480, 64780, 101120, 103648, 129560, 207296, 259120, 414592, 518240, 829184, 1036480, 2072960, 4145920]

約数ペア:

[(1, 4145920), (2, 2072960), (4, 1036480), (5, 829184), (8, 518240), (10, 414592), (16, 259120), (20, 207296), (32, 129560), (40, 103648), (41, 101120), (64, 64780), (79, 52480), (80, 51824), (82, 50560), (128, 32390), (158, 26240), (160, 25912), (164, 25280), (205, 20224), (256, 16195), (316, 13120), (320, 12956), (328, 12640), (395, 10496), (410, 10112), (632, 6560), (640, 6478), (656, 6320), (790, 5248), (820, 5056), (1264, 3280), (1280, 3239), (1312, 3160), (1580, 2624), (1640, 2528)]