28961440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5839}}^1$

素因数の和:5885

約数の個数: 48

約数和(自身を含む): 70640640

約数和(自身を除く): 41679200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5839, 11678, 23356, 29195, 46712, 58390, 93424, 116780, 181009, 186848, 233560, 362018, 467120, 724036, 905045, 934240, 1448072, 1810090, 2896144, 3620180, 5792288, 7240360, 14480720, 28961440]

約数ペア:

[(1, 28961440), (2, 14480720), (4, 7240360), (5, 5792288), (8, 3620180), (10, 2896144), (16, 1810090), (20, 1448072), (31, 934240), (32, 905045), (40, 724036), (62, 467120), (80, 362018), (124, 233560), (155, 186848), (160, 181009), (248, 116780), (310, 93424), (496, 58390), (620, 46712), (992, 29195), (1240, 23356), (2480, 11678), (4960, 5839)]