1320221488

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{563}}^1\times {\mathrm{1297}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 2587142448

約数和(自身を除く): 1266920960

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 563, 904, 1126, 1297, 1808, 2252, 2594, 4504, 5188, 9008, 10376, 20752, 63619, 127238, 146561, 254476, 293122, 508952, 586244, 730211, 1017904, 1172488, 1460422, 2344976, 2920844, 5841688, 11683376, 82513843, 165027686, 330055372, 660110744, 1320221488]

約数ペア:

[(1, 1320221488), (2, 660110744), (4, 330055372), (8, 165027686), (16, 82513843), (113, 11683376), (226, 5841688), (452, 2920844), (563, 2344976), (904, 1460422), (1126, 1172488), (1297, 1017904), (1808, 730211), (2252, 586244), (2594, 508952), (4504, 293122), (5188, 254476), (9008, 146561), (10376, 127238), (20752, 63619)]