91665880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1171}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 219398400

約数和(自身を除く): 127732520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1171, 1957, 2060, 2342, 3914, 4120, 4684, 5855, 7828, 9368, 9785, 11710, 15656, 19570, 22249, 23420, 39140, 44498, 46840, 78280, 88996, 111245, 120613, 177992, 222490, 241226, 444980, 482452, 603065, 889960, 964904, 1206130, 2291647, 2412260, 4583294, 4824520, 9166588, 11458235, 18333176, 22916470, 45832940, 91665880]

約数ペア:

[(1, 91665880), (2, 45832940), (4, 22916470), (5, 18333176), (8, 11458235), (10, 9166588), (19, 4824520), (20, 4583294), (38, 2412260), (40, 2291647), (76, 1206130), (95, 964904), (103, 889960), (152, 603065), (190, 482452), (206, 444980), (380, 241226), (412, 222490), (515, 177992), (760, 120613), (824, 111245), (1030, 88996), (1171, 78280), (1957, 46840), (2060, 44498), (2342, 39140), (3914, 23420), (4120, 22249), (4684, 19570), (5855, 15656), (7828, 11710), (9368, 9785)]