29127280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4034

約数の個数: 80

約数和(自身を含む): 83369664

約数和(自身を除く): 54242384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4001, 7280, 8002, 16004, 20005, 28007, 32008, 40010, 52013, 56014, 64016, 80020, 104026, 112028, 140035, 160040, 208052, 224056, 260065, 280070, 320080, 364091, 416104, 448112, 520130, 560140, 728182, 832208, 1040260, 1120280, 1456364, 1820455, 2080520, 2240560, 2912728, 3640910, 4161040, 5825456, 7281820, 14563640, 29127280]

約数ペア:

[(1, 29127280), (2, 14563640), (4, 7281820), (5, 5825456), (7, 4161040), (8, 3640910), (10, 2912728), (13, 2240560), (14, 2080520), (16, 1820455), (20, 1456364), (26, 1120280), (28, 1040260), (35, 832208), (40, 728182), (52, 560140), (56, 520130), (65, 448112), (70, 416104), (80, 364091), (91, 320080), (104, 280070), (112, 260065), (130, 224056), (140, 208052), (182, 160040), (208, 140035), (260, 112028), (280, 104026), (364, 80020), (455, 64016), (520, 56014), (560, 52013), (728, 40010), (910, 32008), (1040, 28007), (1456, 20005), (1820, 16004), (3640, 8002), (4001, 7280)]