20126043920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1\times {\mathrm{5563}}^1$

素因数の和:6720

約数の個数: 80

約数和(自身を含む): 47986428672

約数和(自身を除く): 27860384752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1103, 1640, 2206, 3280, 4412, 5515, 5563, 8824, 11030, 11126, 17648, 22060, 22252, 27815, 44120, 44504, 45223, 55630, 88240, 89008, 90446, 111260, 180892, 222520, 226115, 228083, 361784, 445040, 452230, 456166, 723568, 904460, 912332, 1140415, 1808920, 1824664, 2280830, 3617840, 3649328, 4561660, 6135989, 9123320, 12271978, 18246640, 24543956, 30679945, 49087912, 61359890, 98175824, 122719780, 245439560, 251575549, 490879120, 503151098, 1006302196, 1257877745, 2012604392, 2515755490, 4025208784, 5031510980, 10063021960, 20126043920]

約数ペア:

[(1, 20126043920), (2, 10063021960), (4, 5031510980), (5, 4025208784), (8, 2515755490), (10, 2012604392), (16, 1257877745), (20, 1006302196), (40, 503151098), (41, 490879120), (80, 251575549), (82, 245439560), (164, 122719780), (205, 98175824), (328, 61359890), (410, 49087912), (656, 30679945), (820, 24543956), (1103, 18246640), (1640, 12271978), (2206, 9123320), (3280, 6135989), (4412, 4561660), (5515, 3649328), (5563, 3617840), (8824, 2280830), (11030, 1824664), (11126, 1808920), (17648, 1140415), (22060, 912332), (22252, 904460), (27815, 723568), (44120, 456166), (44504, 452230), (45223, 445040), (55630, 361784), (88240, 228083), (89008, 226115), (90446, 222520), (111260, 180892)]