51019180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 119992320

約数和(自身を除く): 68973140

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 61, 62, 71, 76, 95, 122, 124, 142, 155, 190, 244, 284, 305, 310, 355, 380, 589, 610, 620, 710, 1159, 1178, 1220, 1349, 1420, 1891, 2201, 2318, 2356, 2698, 2945, 3782, 4331, 4402, 4636, 5396, 5795, 5890, 6745, 7564, 8662, 8804, 9455, 11005, 11590, 11780, 13490, 17324, 18910, 21655, 22010, 23180, 26980, 35929, 37820, 41819, 43310, 44020, 71858, 82289, 83638, 86620, 134261, 143716, 164578, 167276, 179645, 209095, 268522, 329156, 359290, 411445, 418190, 537044, 671305, 718580, 822890, 836380, 1342610, 1645780, 2550959, 2685220, 5101918, 10203836, 12754795, 25509590, 51019180]

約数ペア:

[(1, 51019180), (2, 25509590), (4, 12754795), (5, 10203836), (10, 5101918), (19, 2685220), (20, 2550959), (31, 1645780), (38, 1342610), (61, 836380), (62, 822890), (71, 718580), (76, 671305), (95, 537044), (122, 418190), (124, 411445), (142, 359290), (155, 329156), (190, 268522), (244, 209095), (284, 179645), (305, 167276), (310, 164578), (355, 143716), (380, 134261), (589, 86620), (610, 83638), (620, 82289), (710, 71858), (1159, 44020), (1178, 43310), (1220, 41819), (1349, 37820), (1420, 35929), (1891, 26980), (2201, 23180), (2318, 22010), (2356, 21655), (2698, 18910), (2945, 17324), (3782, 13490), (4331, 11780), (4402, 11590), (4636, 11005), (5396, 9455), (5795, 8804), (5890, 8662), (6745, 7564)]