25865366920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1913}}^1\times {\mathrm{2153}}^1$

素因数の和:4234

約数の個数: 64

約数和(自身を含む): 58625590320

約数和(自身を除く): 32760223400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1913, 2153, 3140, 3826, 4306, 6280, 7652, 8612, 9565, 10765, 15304, 17224, 19130, 21530, 38260, 43060, 76520, 86120, 300341, 338021, 600682, 676042, 1201364, 1352084, 1501705, 1690105, 2402728, 2704168, 3003410, 3380210, 4118689, 6006820, 6760420, 8237378, 12013640, 13520840, 16474756, 20593445, 32949512, 41186890, 82373780, 164747560, 646634173, 1293268346, 2586536692, 3233170865, 5173073384, 6466341730, 12932683460, 25865366920]

約数ペア:

[(1, 25865366920), (2, 12932683460), (4, 6466341730), (5, 5173073384), (8, 3233170865), (10, 2586536692), (20, 1293268346), (40, 646634173), (157, 164747560), (314, 82373780), (628, 41186890), (785, 32949512), (1256, 20593445), (1570, 16474756), (1913, 13520840), (2153, 12013640), (3140, 8237378), (3826, 6760420), (4306, 6006820), (6280, 4118689), (7652, 3380210), (8612, 3003410), (9565, 2704168), (10765, 2402728), (15304, 1690105), (17224, 1501705), (19130, 1352084), (21530, 1201364), (38260, 676042), (43060, 600682), (76520, 338021), (86120, 300341)]