28295560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 69235200

約数和(自身を除く): 40939640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1201, 1240, 2356, 2402, 2945, 4712, 4804, 5890, 6005, 9608, 11780, 12010, 22819, 23560, 24020, 37231, 45638, 48040, 74462, 91276, 114095, 148924, 182552, 186155, 228190, 297848, 372310, 456380, 707389, 744620, 912760, 1414778, 1489240, 2829556, 3536945, 5659112, 7073890, 14147780, 28295560]

約数ペア:

[(1, 28295560), (2, 14147780), (4, 7073890), (5, 5659112), (8, 3536945), (10, 2829556), (19, 1489240), (20, 1414778), (31, 912760), (38, 744620), (40, 707389), (62, 456380), (76, 372310), (95, 297848), (124, 228190), (152, 186155), (155, 182552), (190, 148924), (248, 114095), (310, 91276), (380, 74462), (589, 48040), (620, 45638), (760, 37231), (1178, 24020), (1201, 23560), (1240, 22819), (2356, 12010), (2402, 11780), (2945, 9608), (4712, 6005), (4804, 5890)]