25327188016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1\times {\mathrm{3019}}^1$

素因数の和:3854

約数の個数: 80

約数和(自身を含む): 53931860640

約数和(自身を除く): 28604672624

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 761, 848, 1378, 1522, 2756, 3019, 3044, 5512, 6038, 6088, 9893, 11024, 12076, 12176, 19786, 24152, 39247, 39572, 40333, 48304, 78494, 79144, 80666, 156988, 158288, 160007, 161332, 313976, 320014, 322664, 524329, 627952, 640028, 645328, 1048658, 1280056, 2080091, 2097316, 2297459, 2560112, 4160182, 4194632, 4594918, 8320364, 8389264, 9189836, 16640728, 18379672, 29866967, 33281456, 36759344, 59733934, 119467868, 121765327, 238935736, 243530654, 477871472, 487061308, 974122616, 1582949251, 1948245232, 3165898502, 6331797004, 12663594008, 25327188016]

約数ペア:

[(1, 25327188016), (2, 12663594008), (4, 6331797004), (8, 3165898502), (13, 1948245232), (16, 1582949251), (26, 974122616), (52, 487061308), (53, 477871472), (104, 243530654), (106, 238935736), (208, 121765327), (212, 119467868), (424, 59733934), (689, 36759344), (761, 33281456), (848, 29866967), (1378, 18379672), (1522, 16640728), (2756, 9189836), (3019, 8389264), (3044, 8320364), (5512, 4594918), (6038, 4194632), (6088, 4160182), (9893, 2560112), (11024, 2297459), (12076, 2097316), (12176, 2080091), (19786, 1280056), (24152, 1048658), (39247, 645328), (39572, 640028), (40333, 627952), (48304, 524329), (78494, 322664), (79144, 320014), (80666, 313976), (156988, 161332), (158288, 160007)]