15760400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 40079466

約数和(自身を除く): 24319066

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 155, 164, 200, 205, 248, 310, 328, 400, 410, 496, 620, 656, 775, 820, 961, 1025, 1240, 1271, 1550, 1640, 1922, 2050, 2480, 2542, 3100, 3280, 3844, 4100, 4805, 5084, 6200, 6355, 7688, 8200, 9610, 10168, 12400, 12710, 15376, 16400, 19220, 20336, 24025, 25420, 31775, 38440, 39401, 48050, 50840, 63550, 76880, 78802, 96100, 101680, 127100, 157604, 192200, 197005, 254200, 315208, 384400, 394010, 508400, 630416, 788020, 985025, 1576040, 1970050, 3152080, 3940100, 7880200, 15760400]

約数ペア:

[(1, 15760400), (2, 7880200), (4, 3940100), (5, 3152080), (8, 1970050), (10, 1576040), (16, 985025), (20, 788020), (25, 630416), (31, 508400), (40, 394010), (41, 384400), (50, 315208), (62, 254200), (80, 197005), (82, 192200), (100, 157604), (124, 127100), (155, 101680), (164, 96100), (200, 78802), (205, 76880), (248, 63550), (310, 50840), (328, 48050), (400, 39401), (410, 38440), (496, 31775), (620, 25420), (656, 24025), (775, 20336), (820, 19220), (961, 16400), (1025, 15376), (1240, 12710), (1271, 12400), (1550, 10168), (1640, 9610), (1922, 8200), (2050, 7688), (2480, 6355), (2542, 6200), (3100, 5084), (3280, 4805), (3844, 4100)]