28196480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3421

約数の個数: 64

約数和(自身を含む): 72613800

約数和(自身を除く): 44417320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3389, 4160, 6778, 8320, 13556, 16945, 27112, 33890, 44057, 54224, 67780, 88114, 108448, 135560, 176228, 216896, 220285, 271120, 352456, 433792, 440570, 542240, 704912, 881140, 1084480, 1409824, 1762280, 2168960, 2819648, 3524560, 5639296, 7049120, 14098240, 28196480]

約数ペア:

[(1, 28196480), (2, 14098240), (4, 7049120), (5, 5639296), (8, 3524560), (10, 2819648), (13, 2168960), (16, 1762280), (20, 1409824), (26, 1084480), (32, 881140), (40, 704912), (52, 542240), (64, 440570), (65, 433792), (80, 352456), (104, 271120), (128, 220285), (130, 216896), (160, 176228), (208, 135560), (260, 108448), (320, 88114), (416, 67780), (520, 54224), (640, 44057), (832, 33890), (1040, 27112), (1664, 16945), (2080, 13556), (3389, 8320), (4160, 6778)]