20798055500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{3253}}^1$

素因数の和:3964

約数の個数: 96

約数和(自身を含む): 47899400640

約数和(自身を除く): 27101345140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 673, 950, 1346, 1900, 2375, 2692, 3253, 3365, 4750, 6506, 6730, 9500, 12787, 13012, 13460, 16265, 16825, 25574, 32530, 33650, 51148, 61807, 63935, 65060, 67300, 81325, 84125, 123614, 127870, 162650, 168250, 247228, 255740, 309035, 319675, 325300, 336500, 406625, 618070, 639350, 813250, 1236140, 1278700, 1545175, 1598375, 1626500, 2189269, 3090350, 3196750, 4378538, 6180700, 6393500, 7725875, 8757076, 10946345, 15451750, 21892690, 30903500, 41596111, 43785380, 54731725, 83192222, 109463450, 166384444, 207980555, 218926900, 273658625, 415961110, 547317250, 831922220, 1039902775, 1094634500, 2079805550, 4159611100, 5199513875, 10399027750, 20798055500]

約数ペア:

[(1, 20798055500), (2, 10399027750), (4, 5199513875), (5, 4159611100), (10, 2079805550), (19, 1094634500), (20, 1039902775), (25, 831922220), (38, 547317250), (50, 415961110), (76, 273658625), (95, 218926900), (100, 207980555), (125, 166384444), (190, 109463450), (250, 83192222), (380, 54731725), (475, 43785380), (500, 41596111), (673, 30903500), (950, 21892690), (1346, 15451750), (1900, 10946345), (2375, 8757076), (2692, 7725875), (3253, 6393500), (3365, 6180700), (4750, 4378538), (6506, 3196750), (6730, 3090350), (9500, 2189269), (12787, 1626500), (13012, 1598375), (13460, 1545175), (16265, 1278700), (16825, 1236140), (25574, 813250), (32530, 639350), (33650, 618070), (51148, 406625), (61807, 336500), (63935, 325300), (65060, 319675), (67300, 309035), (81325, 255740), (84125, 247228), (123614, 168250), (127870, 162650)]