2009664280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{124669}}^1$

素因数の和:124724

約数の個数: 64

約数和(自身を含む): 5026694400

約数和(自身を除く): 3017030120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 124669, 249338, 498676, 623345, 997352, 1246690, 1620697, 2493380, 3241394, 3864739, 4986760, 6482788, 7729478, 8103485, 12965576, 15458956, 16206970, 19323695, 30917912, 32413940, 38647390, 50241607, 64827880, 77294780, 100483214, 154589560, 200966428, 251208035, 401932856, 502416070, 1004832140, 2009664280]

約数ペア:

[(1, 2009664280), (2, 1004832140), (4, 502416070), (5, 401932856), (8, 251208035), (10, 200966428), (13, 154589560), (20, 100483214), (26, 77294780), (31, 64827880), (40, 50241607), (52, 38647390), (62, 32413940), (65, 30917912), (104, 19323695), (124, 16206970), (130, 15458956), (155, 12965576), (248, 8103485), (260, 7729478), (310, 6482788), (403, 4986760), (520, 3864739), (620, 3241394), (806, 2493380), (1240, 1620697), (1612, 1246690), (2015, 997352), (3224, 623345), (4030, 498676), (8060, 249338), (16120, 124669)]