40804978360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{553513}}^1$

素因数の和:553640

約数の個数: 64

約数和(自身を含む): 97639869600

約数和(自身を除く): 56834891240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 3686, 3880, 7372, 9215, 14744, 18430, 36860, 73720, 553513, 1107026, 2214052, 2767565, 4428104, 5535130, 10516747, 11070260, 21033494, 22140520, 42066988, 52583735, 53690761, 84133976, 105167470, 107381522, 210334940, 214763044, 268453805, 420669880, 429526088, 536907610, 1020124459, 1073815220, 2040248918, 2147630440, 4080497836, 5100622295, 8160995672, 10201244590, 20402489180, 40804978360]

約数ペア:

[(1, 40804978360), (2, 20402489180), (4, 10201244590), (5, 8160995672), (8, 5100622295), (10, 4080497836), (19, 2147630440), (20, 2040248918), (38, 1073815220), (40, 1020124459), (76, 536907610), (95, 429526088), (97, 420669880), (152, 268453805), (190, 214763044), (194, 210334940), (380, 107381522), (388, 105167470), (485, 84133976), (760, 53690761), (776, 52583735), (970, 42066988), (1843, 22140520), (1940, 21033494), (3686, 11070260), (3880, 10516747), (7372, 5535130), (9215, 4428104), (14744, 2767565), (18430, 2214052), (36860, 1107026), (73720, 553513)]