65404480

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{653}}^1$

素因数の和:983

約数の個数: 56

約数和(自身を含む): 156481272

約数和(自身を除く): 91076792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 626, 653, 1252, 1306, 1565, 2504, 2612, 3130, 3265, 5008, 5224, 6260, 6530, 10016, 10448, 12520, 13060, 20032, 20896, 25040, 26120, 41792, 50080, 52240, 100160, 104480, 204389, 208960, 408778, 817556, 1021945, 1635112, 2043890, 3270224, 4087780, 6540448, 8175560, 13080896, 16351120, 32702240, 65404480]

約数ペア:

[(1, 65404480), (2, 32702240), (4, 16351120), (5, 13080896), (8, 8175560), (10, 6540448), (16, 4087780), (20, 3270224), (32, 2043890), (40, 1635112), (64, 1021945), (80, 817556), (160, 408778), (313, 208960), (320, 204389), (626, 104480), (653, 100160), (1252, 52240), (1306, 50080), (1565, 41792), (2504, 26120), (2612, 25040), (3130, 20896), (3265, 20032), (5008, 13060), (5224, 12520), (6260, 10448), (6530, 10016)]