2018946280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{63649}}^1$

素因数の和:63734

約数の個数: 64

約数和(自身を含む): 4972338000

約数和(自身を除く): 2953391720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 6344, 7930, 15860, 31720, 63649, 127298, 254596, 318245, 509192, 636490, 827437, 1272980, 1654874, 2545960, 3309748, 3882589, 4137185, 6619496, 7765178, 8274370, 15530356, 16548740, 19412945, 31060712, 33097480, 38825890, 50473657, 77651780, 100947314, 155303560, 201894628, 252368285, 403789256, 504736570, 1009473140, 2018946280]

約数ペア:

[(1, 2018946280), (2, 1009473140), (4, 504736570), (5, 403789256), (8, 252368285), (10, 201894628), (13, 155303560), (20, 100947314), (26, 77651780), (40, 50473657), (52, 38825890), (61, 33097480), (65, 31060712), (104, 19412945), (122, 16548740), (130, 15530356), (244, 8274370), (260, 7765178), (305, 6619496), (488, 4137185), (520, 3882589), (610, 3309748), (793, 2545960), (1220, 1654874), (1586, 1272980), (2440, 827437), (3172, 636490), (3965, 509192), (6344, 318245), (7930, 254596), (15860, 127298), (31720, 63649)]