45244040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 104976000

約数和(自身を除く): 59731960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 89, 142, 178, 179, 284, 355, 356, 358, 445, 568, 710, 712, 716, 890, 895, 1420, 1432, 1780, 1790, 2840, 3560, 3580, 6319, 7160, 12638, 12709, 15931, 25276, 25418, 31595, 31862, 50552, 50836, 63190, 63545, 63724, 79655, 101672, 126380, 127090, 127448, 159310, 252760, 254180, 318620, 508360, 637240, 1131101, 2262202, 4524404, 5655505, 9048808, 11311010, 22622020, 45244040]

約数ペア:

[(1, 45244040), (2, 22622020), (4, 11311010), (5, 9048808), (8, 5655505), (10, 4524404), (20, 2262202), (40, 1131101), (71, 637240), (89, 508360), (142, 318620), (178, 254180), (179, 252760), (284, 159310), (355, 127448), (356, 127090), (358, 126380), (445, 101672), (568, 79655), (710, 63724), (712, 63545), (716, 63190), (890, 50836), (895, 50552), (1420, 31862), (1432, 31595), (1780, 25418), (1790, 25276), (2840, 15931), (3560, 12709), (3580, 12638), (6319, 7160)]