64415560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13309}}^1$

素因数の和:13342

約数の個数: 48

約数和(自身を含む): 159320700

約数和(自身を除く): 94905140

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13309, 26618, 53236, 66545, 106472, 133090, 146399, 266180, 292798, 532360, 585596, 731995, 1171192, 1463990, 1610389, 2927980, 3220778, 5855960, 6441556, 8051945, 12883112, 16103890, 32207780, 64415560]

約数ペア:

[(1, 64415560), (2, 32207780), (4, 16103890), (5, 12883112), (8, 8051945), (10, 6441556), (11, 5855960), (20, 3220778), (22, 2927980), (40, 1610389), (44, 1463990), (55, 1171192), (88, 731995), (110, 585596), (121, 532360), (220, 292798), (242, 266180), (440, 146399), (484, 133090), (605, 106472), (968, 66545), (1210, 53236), (2420, 26618), (4840, 13309)]