25780480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 72

約数和(自身を含む): 67402944

約数和(自身を除く): 41622464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 1831, 2816, 3520, 3662, 7040, 7324, 9155, 14080, 14648, 18310, 20141, 29296, 36620, 40282, 58592, 73240, 80564, 100705, 117184, 146480, 161128, 201410, 234368, 292960, 322256, 402820, 468736, 585920, 644512, 805640, 1171840, 1289024, 1611280, 2343680, 2578048, 3222560, 5156096, 6445120, 12890240, 25780480]

約数ペア:

[(1, 25780480), (2, 12890240), (4, 6445120), (5, 5156096), (8, 3222560), (10, 2578048), (11, 2343680), (16, 1611280), (20, 1289024), (22, 1171840), (32, 805640), (40, 644512), (44, 585920), (55, 468736), (64, 402820), (80, 322256), (88, 292960), (110, 234368), (128, 201410), (160, 161128), (176, 146480), (220, 117184), (256, 100705), (320, 80564), (352, 73240), (440, 58592), (640, 40282), (704, 36620), (880, 29296), (1280, 20141), (1408, 18310), (1760, 14648), (1831, 14080), (2816, 9155), (3520, 7324), (3662, 7040)]