25881990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2717

約数の個数: 64

約数和(自身を含む): 69258240

約数和(自身を除く): 43376250

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2671, 3230, 4845, 5342, 8013, 9690, 13355, 16026, 26710, 40065, 45407, 50749, 80130, 90814, 101498, 136221, 152247, 227035, 253745, 272442, 304494, 454070, 507490, 681105, 761235, 862733, 1362210, 1522470, 1725466, 2588199, 4313665, 5176398, 8627330, 12940995, 25881990]

約数ペア:

[(1, 25881990), (2, 12940995), (3, 8627330), (5, 5176398), (6, 4313665), (10, 2588199), (15, 1725466), (17, 1522470), (19, 1362210), (30, 862733), (34, 761235), (38, 681105), (51, 507490), (57, 454070), (85, 304494), (95, 272442), (102, 253745), (114, 227035), (170, 152247), (190, 136221), (255, 101498), (285, 90814), (323, 80130), (510, 50749), (570, 45407), (646, 40065), (969, 26710), (1615, 16026), (1938, 13355), (2671, 9690), (3230, 8013), (4845, 5342)]