156629980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19433}}^1$

素因数の和:19486

約数の個数: 48

約数和(自身を含む): 365670144

約数和(自身を除く): 209040164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 19433, 38866, 77732, 97165, 194330, 252629, 388660, 505258, 602423, 1010516, 1204846, 1263145, 2409692, 2526290, 3012115, 5052580, 6024230, 7831499, 12048460, 15662998, 31325996, 39157495, 78314990, 156629980]

約数ペア:

[(1, 156629980), (2, 78314990), (4, 39157495), (5, 31325996), (10, 15662998), (13, 12048460), (20, 7831499), (26, 6024230), (31, 5052580), (52, 3012115), (62, 2526290), (65, 2409692), (124, 1263145), (130, 1204846), (155, 1010516), (260, 602423), (310, 505258), (403, 388660), (620, 252629), (806, 194330), (1612, 97165), (2015, 77732), (4030, 38866), (8060, 19433)]