8291840

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12331840

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, 512, 632, 640, 656, 790, 820, 1264, 1280, 1312, 1580, 1640, 2528, 2560, 2624, 3160, 3239, 3280, 5056, 5248, 6320, 6478, 6560, 10112, 10496, 12640, 12956, 13120, 16195, 20224, 20992, 25280, 25912, 26240, 32390, 40448, 50560, 51824, 52480, 64780, 101120, 103648, 104960, 129560, 202240, 207296, 259120, 414592, 518240, 829184, 1036480, 1658368, 2072960, 4145920, 8291840]

約数ペア:

[(1, 8291840), (2, 4145920), (4, 2072960), (5, 1658368), (8, 1036480), (10, 829184), (16, 518240), (20, 414592), (32, 259120), (40, 207296), (41, 202240), (64, 129560), (79, 104960), (80, 103648), (82, 101120), (128, 64780), (158, 52480), (160, 51824), (164, 50560), (205, 40448), (256, 32390), (316, 26240), (320, 25912), (328, 25280), (395, 20992), (410, 20224), (512, 16195), (632, 13120), (640, 12956), (656, 12640), (790, 10496), (820, 10112), (1264, 6560), (1280, 6478), (1312, 6320), (1580, 5248), (1640, 5056), (2528, 3280), (2560, 3239), (2624, 3160)]