848625920

素因数分解:

$2^8\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1621}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 2038951320

約数和(自身を除く): 1190325400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 409, 640, 818, 1280, 1621, 1636, 2045, 3242, 3272, 4090, 6484, 6544, 8105, 8180, 12968, 13088, 16210, 16360, 25936, 26176, 32420, 32720, 51872, 52352, 64840, 65440, 103744, 104704, 129680, 130880, 207488, 259360, 261760, 414976, 518720, 523520, 662989, 1037440, 1325978, 2074880, 2651956, 3314945, 5303912, 6629890, 10607824, 13259780, 21215648, 26519560, 42431296, 53039120, 84862592, 106078240, 169725184, 212156480, 424312960, 848625920]

約数ペア:

[(1, 848625920), (2, 424312960), (4, 212156480), (5, 169725184), (8, 106078240), (10, 84862592), (16, 53039120), (20, 42431296), (32, 26519560), (40, 21215648), (64, 13259780), (80, 10607824), (128, 6629890), (160, 5303912), (256, 3314945), (320, 2651956), (409, 2074880), (640, 1325978), (818, 1037440), (1280, 662989), (1621, 523520), (1636, 518720), (2045, 414976), (3242, 261760), (3272, 259360), (4090, 207488), (6484, 130880), (6544, 129680), (8105, 104704), (8180, 103744), (12968, 65440), (13088, 64840), (16210, 52352), (16360, 51872), (25936, 32720), (26176, 32420)]