80821447300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{450761}}^1$

素因数の和:450949

約数の個数: 72

約数和(自身を含む): 192500616672

約数和(自身を除く): 111679169372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 163, 220, 275, 326, 550, 652, 815, 1100, 1630, 1793, 3260, 3586, 4075, 7172, 8150, 8965, 16300, 17930, 35860, 44825, 89650, 179300, 450761, 901522, 1803044, 2253805, 4507610, 4958371, 9015220, 9916742, 11269025, 19833484, 22538050, 24791855, 45076100, 49583710, 73474043, 99167420, 123959275, 146948086, 247918550, 293896172, 367370215, 495837100, 734740430, 808214473, 1469480860, 1616428946, 1836851075, 3232857892, 3673702150, 4041072365, 7347404300, 8082144730, 16164289460, 20205361825, 40410723650, 80821447300]

約数ペア:

[(1, 80821447300), (2, 40410723650), (4, 20205361825), (5, 16164289460), (10, 8082144730), (11, 7347404300), (20, 4041072365), (22, 3673702150), (25, 3232857892), (44, 1836851075), (50, 1616428946), (55, 1469480860), (100, 808214473), (110, 734740430), (163, 495837100), (220, 367370215), (275, 293896172), (326, 247918550), (550, 146948086), (652, 123959275), (815, 99167420), (1100, 73474043), (1630, 49583710), (1793, 45076100), (3260, 24791855), (3586, 22538050), (4075, 19833484), (7172, 11269025), (8150, 9916742), (8965, 9015220), (16300, 4958371), (17930, 4507610), (35860, 2253805), (44825, 1803044), (89650, 901522), (179300, 450761)]