51965320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1327}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 129081600

約数和(自身を除く): 77116280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1327, 1780, 1958, 2654, 3560, 3916, 4895, 5308, 6635, 7832, 9790, 10616, 13270, 14597, 19580, 26540, 29194, 39160, 53080, 58388, 72985, 116776, 118103, 145970, 236206, 291940, 472412, 583880, 590515, 944824, 1181030, 1299133, 2362060, 2598266, 4724120, 5196532, 6495665, 10393064, 12991330, 25982660, 51965320]

約数ペア:

[(1, 51965320), (2, 25982660), (4, 12991330), (5, 10393064), (8, 6495665), (10, 5196532), (11, 4724120), (20, 2598266), (22, 2362060), (40, 1299133), (44, 1181030), (55, 944824), (88, 590515), (89, 583880), (110, 472412), (178, 291940), (220, 236206), (356, 145970), (440, 118103), (445, 116776), (712, 72985), (890, 58388), (979, 53080), (1327, 39160), (1780, 29194), (1958, 26540), (2654, 19580), (3560, 14597), (3916, 13270), (4895, 10616), (5308, 9790), (6635, 7832)]