16403080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 22995320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 191, 226, 380, 382, 452, 565, 760, 764, 904, 955, 1130, 1528, 1910, 2147, 2260, 3629, 3820, 4294, 4520, 7258, 7640, 8588, 10735, 14516, 17176, 18145, 21470, 21583, 29032, 36290, 42940, 43166, 72580, 85880, 86332, 107915, 145160, 172664, 215830, 410077, 431660, 820154, 863320, 1640308, 2050385, 3280616, 4100770, 8201540, 16403080]

約数ペア:

[(1, 16403080), (2, 8201540), (4, 4100770), (5, 3280616), (8, 2050385), (10, 1640308), (19, 863320), (20, 820154), (38, 431660), (40, 410077), (76, 215830), (95, 172664), (113, 145160), (152, 107915), (190, 86332), (191, 85880), (226, 72580), (380, 43166), (382, 42940), (452, 36290), (565, 29032), (760, 21583), (764, 21470), (904, 18145), (955, 17176), (1130, 14516), (1528, 10735), (1910, 8588), (2147, 7640), (2260, 7258), (3629, 4520), (3820, 4294)]