87039760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 214896960

約数和(自身を除く): 127857200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 331, 346, 380, 662, 692, 760, 865, 1324, 1384, 1520, 1655, 1730, 2648, 2768, 3287, 3310, 3460, 5296, 6289, 6574, 6620, 6920, 12578, 13148, 13240, 13840, 16435, 25156, 26296, 26480, 31445, 32870, 50312, 52592, 57263, 62890, 65740, 100624, 114526, 125780, 131480, 229052, 251560, 262960, 286315, 458104, 503120, 572630, 916208, 1087997, 1145260, 2175994, 2290520, 4351988, 4581040, 5439985, 8703976, 10879970, 17407952, 21759940, 43519880, 87039760]

約数ペア:

[(1, 87039760), (2, 43519880), (4, 21759940), (5, 17407952), (8, 10879970), (10, 8703976), (16, 5439985), (19, 4581040), (20, 4351988), (38, 2290520), (40, 2175994), (76, 1145260), (80, 1087997), (95, 916208), (152, 572630), (173, 503120), (190, 458104), (304, 286315), (331, 262960), (346, 251560), (380, 229052), (662, 131480), (692, 125780), (760, 114526), (865, 100624), (1324, 65740), (1384, 62890), (1520, 57263), (1655, 52592), (1730, 50312), (2648, 32870), (2768, 31445), (3287, 26480), (3310, 26296), (3460, 25156), (5296, 16435), (6289, 13840), (6574, 13240), (6620, 13148), (6920, 12578)]