49420280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13577}}^1$

素因数の和:13608

約数の個数: 64

約数和(自身を含む): 136866240

約数和(自身を除く): 87445960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 13577, 27154, 54308, 67885, 95039, 108616, 135770, 176501, 190078, 271540, 353002, 380156, 475195, 543080, 706004, 760312, 882505, 950390, 1235507, 1412008, 1765010, 1900780, 2471014, 3530020, 3801560, 4942028, 6177535, 7060040, 9884056, 12355070, 24710140, 49420280]

約数ペア:

[(1, 49420280), (2, 24710140), (4, 12355070), (5, 9884056), (7, 7060040), (8, 6177535), (10, 4942028), (13, 3801560), (14, 3530020), (20, 2471014), (26, 1900780), (28, 1765010), (35, 1412008), (40, 1235507), (52, 950390), (56, 882505), (65, 760312), (70, 706004), (91, 543080), (104, 475195), (130, 380156), (140, 353002), (182, 271540), (260, 190078), (280, 176501), (364, 135770), (455, 108616), (520, 95039), (728, 67885), (910, 54308), (1820, 27154), (3640, 13577)]