205735840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41479}}^1$

素因数の和:41525

約数の個数: 48

約数和(自身を含む): 501742080

約数和(自身を除く): 296006240

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, 41479, 82958, 165916, 207395, 331832, 414790, 663664, 829580, 1285849, 1327328, 1659160, 2571698, 3318320, 5143396, 6429245, 6636640, 10286792, 12858490, 20573584, 25716980, 41147168, 51433960, 102867920, 205735840]

約数ペア:

[(1, 205735840), (2, 102867920), (4, 51433960), (5, 41147168), (8, 25716980), (10, 20573584), (16, 12858490), (20, 10286792), (31, 6636640), (32, 6429245), (40, 5143396), (62, 3318320), (80, 2571698), (124, 1659160), (155, 1327328), (160, 1285849), (248, 829580), (310, 663664), (496, 414790), (620, 331832), (992, 207395), (1240, 165916), (2480, 82958), (4960, 41479)]