51265280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 108

約数和(自身を含む): 135382296

約数和(自身を除く): 84117016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 331, 352, 440, 484, 605, 640, 662, 704, 880, 968, 1210, 1280, 1324, 1408, 1655, 1760, 1936, 2420, 2648, 2816, 3310, 3520, 3641, 3872, 4840, 5296, 6620, 7040, 7282, 7744, 9680, 10592, 13240, 14080, 14564, 15488, 18205, 19360, 21184, 26480, 29128, 30976, 36410, 38720, 40051, 42368, 52960, 58256, 72820, 77440, 80102, 84736, 105920, 116512, 145640, 154880, 160204, 200255, 211840, 233024, 291280, 320408, 400510, 423680, 466048, 582560, 640816, 801020, 932096, 1165120, 1281632, 1602040, 2330240, 2563264, 3204080, 4660480, 5126528, 6408160, 10253056, 12816320, 25632640, 51265280]

約数ペア:

[(1, 51265280), (2, 25632640), (4, 12816320), (5, 10253056), (8, 6408160), (10, 5126528), (11, 4660480), (16, 3204080), (20, 2563264), (22, 2330240), (32, 1602040), (40, 1281632), (44, 1165120), (55, 932096), (64, 801020), (80, 640816), (88, 582560), (110, 466048), (121, 423680), (128, 400510), (160, 320408), (176, 291280), (220, 233024), (242, 211840), (256, 200255), (320, 160204), (331, 154880), (352, 145640), (440, 116512), (484, 105920), (605, 84736), (640, 80102), (662, 77440), (704, 72820), (880, 58256), (968, 52960), (1210, 42368), (1280, 40051), (1324, 38720), (1408, 36410), (1655, 30976), (1760, 29128), (1936, 26480), (2420, 21184), (2648, 19360), (2816, 18205), (3310, 15488), (3520, 14564), (3641, 14080), (3872, 13240), (4840, 10592), (5296, 9680), (6620, 7744), (7040, 7282)]